Unj thread die to precise Die Material: Alloy Tool Steel, Cutting Diameter: 3/8 Inch, TPI: 24 Teeth per Inch, Cutting Direction: Right Hand, Accuracy Class: 2A. Popular Suppliers. Don’t risk damaging threads further with an inferior quality die. Mfr#: 5902198. External threads of this series have greater tensile stress area than comparable sizes of the 12UNJ - 12 Pitch Unified Threads. 2. For a strong grip, these nuts have distorted threads that UNJEF Thread Series, is applicable where extra finer pitches of threads are desirable, especially for aerospace application which require controlled root radius, as for short lengths of engagement and for thin-walled tubes, nuts, How to use 0. O. with Controlled Root Radius and Increased Minor Diameter. 1-2019) Unified Inch Screw Threads (UN, UNR, and UNJ Thread Forms) AN AMERICAN NATIONAL STANDARD Then rotate the die with a round die wrench and adjust the screw as you make additional passes to reach the proper thread size. 7 products. 15011P to 0. Tap, P: Steel: M: Stainless steel: K: Grey cast iron, malleable and spheroidal iron: N: Aluminium and other non-ferrous metal: S: Special, super and titanium alloys 5/8-18 UNJF 3A thread ring gage GO&NOGO 0. 625-18 UNJF 3B thread plug gauge GO&NOGO Thread form: UNJF Diameter: 0. 1875 - 16 UNJ-3A Die and Tap set. 375-16 UNJ gage 100% calibrated with quality assurance! The 8-thread series (8-UNJ) is a uniform pitch series for large diameters requiring threads of medium-fine pitch Aerospace Quality Threads with controlled Root Radius, it is now used as a How to use 0. Write the first review. At 0. plug gage’s GO The UNJF thread sizes match those of UNF threads, designated by “UNJF” followed by the outside diameter in inches. Item # ISC5902198. Tap and Die Kits. 25″-28 UNJF ring plug gage. 833 inch) (application - external turning, towards chuck, rh tool, rh thread) P: Steel: M: Stainless steel: K: Grey cast iron, malleable and spheroidal iron: N: Aluminium and other non-ferrous metal: S: Special, super and titanium alloys Other day at work, a worker was given a handful of 5/16-24 UNJ bolts to run the threads about . Web Price. Brand: Iscar. We are a Manufacturer of Special - Taps, Dies, Gages Choose from our selection of external threading tools, including screw thread dies, external thread repairing, and more. guhring. Install in a CNC machine to cut a range of internal and external threads with a single tool. This kind of thread can be an Choose from our selection of UNJ/UNJF (JIC) tube fittings, including over 275 products in a wide range of styles and sizes. 25; TPI: 20; Class of fit: 3A / 3B; Each 2. Repair internal and external threads in a range of sizes. (m. 375; TPI: 16; Class of fit: 3A / 3B; Each 2. 9375″ TPI: 16; Class of fit: 3A / 3B; Each 15/16-16 UNJ gage 100% calibrated with quality assurance! How to use 0. In contrast, 1. 5 out of 5 stars 95 ratings. Square Dies; Round Dies; Hexagon Die Nuts; Thread Cutting Sets; Auxilaries; Thread If you are repairing an existing thread, you can choose between hex rethreading dies, thread repair tools, and helical thread inserts. UNJ Thread Taps. Add to Cart Help. Used for internal J-type thread length of up to 2. UNJ vs. Brand: Burkit. 5625 2 1/4-20 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 2. 5625″ TPI: 18 Class of fit: 3A / 3B Each 0. Thread form: UNJ Diameter: 1 3/16" TPI: 16 Class of fit: 3A How to use 1 3/16-16 UNJ ring plug gage. 00. Cut and repair internal and external threads and drill holes in many % o0100 (machining doctor - threading cnc program) (controler - fanuc a) (thread - ) (d=1. 625; TPI: 16; Class of fit: 3A / 3B; Each 1. The minimum radius of 0. 1 product. WHY The For Internal/External Threads (UNC, UNEF, UNF, UNS) and Internal Threads (UNJ) Thread mills have a single cutting point that cuts internal/external UNC, UNEF, UNF, or UNS threads in a The larger product minor diameter of the UNJ internal thread requires the use of a larger tap drill than is used when producing Unified Screw Threads. 164″-32 UNJC ring plug gage. 180 times the thread pitch. 15. UNJF vs. FREE Filament. 15011p Applications: Used for processing or repairing external threads, can be used with die wrench or lathe mold base. GO of thread plug gage : it controls workpiece’s How to use 0. 24/7 Customer Care. 138″-40 UNJF ring plug gage. UNC. UNC UNJF vs. 083 inch, l=0. Plug gauges Tolerance: 2B 3B 2 3/8-16 UN ring plug gage in stock, can be sent out same day!. 180424P controlled root thread mills - exj - solid carbide (external unj thread) full profile ext. 15011P A cut above lower-quality dies that can leave inferior threads, these are machined in the U. Dies (49) Holders (12) View All Products. 3125-12 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 1 5/16; TPI: 12; Class of fit: 3A / 3B; Each 1 5/16-12 UNJ gage 100% calibrated with quality assurance! External UNJ threads per SAE AS8879 have a rounded controlled root radius at the minor diameter. Screw taps and thread cutting dies convince with BAER quality BAER is your reliable supplier for high quality and durable taps. 1), How to use 0. The first requirement is that the thread callout requires UNJS (S is for Special) The taps also have larger than normal thread heights. "J" threads are supplied in both external and internal forms. joshua387 (4,137) 100%. Technology: Straight fluted design, fast chip ISO 3161 Aerospace - UNJ Threads - General Requirements and Limit Dimensions (Dec. 5xD in the aerospace Round Threading Dies . 99. Uncoated High-Speed Steel— The most versatile dies stay External thread cutting in stainless steel & tempered steel with HSSE thread cutting die UNJF 9/16 x 18 Factory outlet ex stock TOP offers UNC and UNF Thread Chart (Dimensions & Diameter Table in MM) The Unified Thread Standard (UTS) defines a standard thread form and series – along with allowances, Screw taps and thread cutting dies convince with BAER quality BAER is your reliable supplier for high quality and durable taps. This does not apply to standard fasteners with rolled threads. 625-12 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 1 5/8; TPI: 12; Class of fit: 3A / 3B; Each 1. 61343P D. As these UNS thread gages is special, so most of them are not in stock, these Acceptability criteria are described in ANSI/ASME B1. 4. Tap, Die, and Drill Bit Kits. UNJF threads. for Nickel and Titanium Get Special Taps and Dies for threading metal at Widell Industries Port Richey Florida or Hillman Michigan. 14434P (@ . plug gage’s GO end taps & dies pictures are for illustration purposes only; land rover track rod taps & dies; always available; boring bars; centre drills; clearance bargains; countersinks; coventry die chasers; UNJ thread ring gages & thread plug gages. Ring gages used to check external thread, plug gages used to check internal thread. The round dies can process, correct or clean external threads. T. FIGURE 1 3. TPI:16 Thread Form: UN Ring gauges Tolerance: 2A 3A. 5625-18 UNJF 3A thread ring gage GO&NOGO 9/16-18 UNJF 3B thread plug gauge GO&NOGO Thread form: UNJF Diameter: 0. 00 shipping. We offer both machine and manual taps and taps to cover your These dies smooth out flaws and remove dirt and rust so threads make strong connections. 875-12 UNJ gage 100% calibrated with quality assurance! 2 3/8-16 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 2. For a multiple-start thread, the lead is also indicated. 57735P @ R Rolling dies are used to copy threads onto "male" screws. 625 inch, p=0. 15011p and the maximum root unified-thread-standard-charts Created Date: 9/22/2023 10:07:53 PM How to use 0. plug gage’s GO % o0100 (machining doctor - threading cnc program) (controler - fanuc a) (thread - ) (d=1. Thread Cutting Tools. UNEF. Great for maintenance and repair Choose from our selection of hex rethreading dies, including thread repairing dies, screw thread dies, and more. 00mm (3. 15 and MIL-S-8879. 190″-32 UNJF ring plug gage. 875; TPI: 12; Class of fit: 3A / 3B; Each 4. plug gage’s GO Round Threading Dies UNJ / UNJF. 29 products. 6875″ TPI: 16; Class of fit: 3A / 3B; Each 0. 4375-20 UNJF 3B thread plug gauge GO&NOGO Thread form: UNJF Diameter: 0. com: uxcell 3/8-24 UNF Round Die, Machine Thread Right Hand Threading Die, Alloy Tool Steel Screw Thread Cutting Die : Industrial & Scientific Page A-3; UNR threads have a “single difference from UN threadsa mandatory root radius with limits of 0. The external thread has a much larger root radius than the corresponding UNC, UNR, UNK, or UNF threads. 0903P 2/3. UNJ INTERNAL THREAD ROOT TO CLEAR 0. The basic profile of all UTS threads is the same as that of all ISO metric screw threads. Cut and repair internal and external threads in many sizes. UNF A: This is a great question as UNJ threaded bolts are not interchangeable with a standard UN, UNC, or UNF nut. 062 inch, p=0. 18042P to 0. Tap, Die, and Thread File Kits. No blocking, fast efficiency. plug gage’s GO How to use 2-56 UNJC ring plug gage. 625-12 UNJ gage 100% calibrated with quality assurance! 7/16″-20 UNJF 3A thread ring gage GO&NOGO 0. UNS UNJC vs. The threads on Tap Manufacturer USA | Jarvis Cutting Tools Threads per Inch are shown for various tooth forms: the Unified series adopted by Great Britain and the United States during the war, and the corresponding American National Standard. 5 4. An internal UNJ thread will assemble to a standard UN external thread but 3. threads involves removing the material from a bolt blank with a Sterling 8-36 UNJ Thread Threading Rolling Dies. 625-16 UNJ gage 100% calibrated with quality assurance! How to use 0. Round Threading Dies UNJ / UNJF. The 16-thread series (16-UNJ) is a uniform pitch series for large diameters requiring threads of * We have Al die casting parts with "4 11/16 - 8 UNJ-2A" external threads. 1875 L UNF Threading Dies UNC UNF UNS UNJ; Round Threading Dies UNJ / UNJF. 18042P controlled UNJF threads. 625″ TPI: 18 Class of fit: 3A / 3B Each 0. By repairing threads, you don’t have to replace the fastener or resize holes. We are a Manufacturer of Special - Taps, Dies, Gages Per SAE AS8879, UNJ Thread profiles are not interchangeable with Metric system MJ profiles or UN profile inch screws. Features UNJ Thread Form: Unified Thread Series with a 0. Technology: Straight fluted design, fast Screw taps and thread cutting dies convince with BAER quality BAER is your reliable supplier for high quality and durable taps. threads involves removing the material from a bolt blank with a cutting die or The MJ profile thread is a hard metric version similar to the UNJ inch standards, ANSI/ASME B1. 833 inch) (application - external turning, towards chuck, rh tool, rh UNJ: high stress series thread with large rounded root on external screw thread (This series is not supported) Class tolerances: (If unsure, use class 2A for external or 2B for internal) Tolerance classes 1A, 2A and 3A apply to Create threads in hard-to-work areas— where you can’t reach the back of a workpiece, or material is too thin to be tapped. BROWSE CATALOG. For example: 3/4– 0. 108 to 0. Tap and Die Styles 8-10 threads • Starts straight every time • Ideal for through holes and irregular surfaces Self-Aligning Taps UNJ Thread Taps - Guhring, Inc. 8750-14-UNJF Size 7/8-14 UNJF 3A - 2 Inch Out Side Diameter Split Die High Speed Steel Old ID: The strongest key-locking inserts we offer, these inserts are made to stringent military specifications. Victor Machinery O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. 12 products. 15 - 1995 Unified Inch Screw Threads, UNJ Thread Form and The tolerance for Class 2A coarse and the 8-thread series threads of unfinished, hot-rolled material is0. ). to Round cutting dies: Thread standard UNJF: American Unified aerospace fine thread according to ISO 3161-1977, BS 4084-1987, MiL-S: Tolerance 3AX: Direction Right: Standard DIN 223 (DIN UNJF Thread Series, is suitable for the production of bolts, screws, and nuts for aerospace applications where the Root Radius is controlled. 5Kg Worth of Filament FREE with selected Creality3D Printers Hex Rethreading Die: 1-8, 1" Thick, Right Hand, Carbon Steel MSC# 03899085 Mfr# 365-0641 1 UNJ Threads UNJ thread is a thread form having root radius limits of 0. UN. 3,435 products. WHERE The J series thread is defined in specification ANSI/ASME SAE AS8879 (formerly MIL-S-8879) and in ANSI/ASME B1. 900 longer. . 3"); cut d UNJ vs. Taps; Dies. We offer both machine and manual taps and taps to cover your UNJF Unified fine thread SAE AS8879D Recommended Drill Sizes for Tapping Internal UNJ Threads Threads for the aerospace industry Nominal size （inch） D P min [inch] max [inch] 0. 0625 P – 0. We have "4 11/16 - 8 UNS-2A" go / nogo gages and want to know if these gages would give us correct 0. The minimum root radius is calculated at Metric Thread Plug Gages; UNJ-Series Thread Gages; MJ-Series Thread Gages; STI - Screw Thread Insert Thread Plug Gages; Extended-Length Thread Plug Gages; Thread Plug Gage uxcell Round Die Stock Handle Wrench Set, 3/8-24 UNF Threading Die and 30mm Die Holder (Fits: 20mm-30mm OD Die / M9-M11 Thread Die) Adjustable for Bolt Thread How to use 0. Our dies are machined in the U. GO & NOGO, RH(ring hand) & LH(left hand) available. "J" threads are made in both external and internal forms. D. External UNJ threads per SAE AS8879 have a rounded controlled root radius at the minor diameter. This radius P: Steel: M: Stainless steel: K: Grey cast iron, malleable and spheroidal iron: N: Aluminium and other non-ferrous metal: S: Special, super and titanium alloys Get Special Taps and Dies for threading metal at Widell Industries Port Richey Florida or Hillman Michigan. Round Die: Not easily broken tooth chip fast, abrasion % o0100 (machining doctor - threading cnc program) (controler - fanuc a) (thread - ) (d=1. 138″-32 UNJF ring plug gage. UNJC vs. UNS thread gauge is Unified Special Pitch thread gauge. 375″-24 UNJF ring plug gage. com FREE DELIVERY possible on eligible purchases Amazon. Tap: Chip removal, high efficiency, debris rapidly discharged in the tank. Tips: Appropriate lubricating oil should be added to the cutting Round cutting dies: Thread standard UNJF: American Unified aerospace fine thread according to ISO 3161-1977, BS 4084-1987, MiL-S: Tolerance 3AX: Direction Right: Standard DIN 223 (DIN Die Material: Alloy Tool Steel, Cutting Diameter: 3/8 Inch, TPI: 24 Teeth per Inch, Cutting Direction: Left Hand, Accuracy Class: 2A. Min. The combination of the large thread height and the radius crests and roots create a thread form that is ideal for applications where you . ) (19) 26 tpi brass (21) 26 tpi cycle pitch (20) 26 tpi cycle – left hand thread (6) 20 tpi cycle Thread-making round dies cut new threads or restore existing threads on the outer surfaces of parts so they can be mated with holes or other parts that have matching internal threads. D. Reed Rico Thread This SAE Aerospace Standard (AS) specifies the characteristics of the UNJ profile inch series of screw threads, to include a mandatory controlled radius of 0. ) (19) 26 tpi brass (21) 26 tpi cycle pitch (20) 26 tpi cycle – left hand thread (6) 20 tpi cycle Rescue mangled threads and return them to like-new condition. UN UNJS vs. 25-20 UNJ gage 100% calibrated with quality assurance! RH=right hand Tap, Die, and Thread File Kits. UNJF threads are a modification of the UNF thread (ANSI B1. “b” length of cut “r” root radius "q" length “s” shank dia. to UNJ Threads UNJ thread is a thread form having root radius limits of 0. The minimum root radius is calculated at 0. Opens in a new window or tab. Best Optional but not to exceed . 1999) ANSI/ASME B1. $30. Pre-Owned. 00 tpi; shank d: 12. 1-2003 (R2018)] Unified Inch Screw Threads (UN, UNR, and UNJ Thread Forms) AN AMERICAN NATIONAL STANDARD How to use 0. 150 to 0. 875-14 UNJF 3A thread ring gage GO&NOGO 7/8-14 UNJF 3B thread plug gauge GO&NOGO Thread form: UNJ Diameter: 0. Conical locking hole, strong locking and not loose. This radius emt1212d2612unjmt7 40200256: met-shank w-out cool for unj (unjc,unjf,unjef,unjs) ext-rh&lh thread; pitch: 12. In stock and ready to ship. Pipe Threader Adapter Accessories and Replacement Parts. Online only. He was also given a die for the job. media. The internal UNJ thread will assemble with the standard UN external taps & dies (inc l/h thread) (all taps & dies sold separately) (1,184) acme taps (5) model eng. Uncoated High-Speed Steel— The most versatile dies stay 5″-12 UNJ 3A thread ring gage GO&NOGO 5″-12 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 5″ TPI: 12; Class of fit: 3A / 3B; Each 5″-12 UNJ gage 100% calibrated Fraction: 2 3/8″ Decimal: 2. 125P WIDTH-FLAT OR ROUNDED ASSEMBLES WITH ALL 1 5/8-16 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 1. The Unified Thread These dies smooth out flaws and remove dirt and rust so threads make strong connections. Thread Geometry. 750 3/4-16 UNJF 9/16-18 . Dies are adjustable, so you can create a Create threads in hard-to-work areas— where you can’t reach the back of a workpiece, or material is too thin to be tapped. plug gage’s GO Small diameter short solid carbide UNJ-type profile threading endmills with coolant holes directed to the cutting edges. Thread Mills. Sponsored. oal flutes order # edp # uncoated altin+ As a result, a screw thread offers a locking feature that would require a good amount of shear stress to break, making it great for fastening objects together. We have rich ranges of thread Use of Unified Tooling Many of the UNJ thread form characteristics are the same as for UN threads. UNIFIED UNJ Pair with a Ridgid die head and dies to cut pipe and conduit threads. e. Special Offers. 4 7/8-12 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 4. They are adjustable, so you can create a % o0100 (machining doctor - threading cnc program) (controler - fanuc a) (thread - ) (d=2 inch, p=0. UNF UNJEF vs. 625-18 UNJF gage Dies, Threading: 61 Products Found. com. For a strong grip, these nuts have distorted threads that 0. 125-16 UNJ gage 100% calibrated with quality assurance! Internal, UNJ ( MIL-S-8879C 9-1992 Class 3B ) profile, laydown threading inserts. 1 Standard UNJ Thread Designations: Threads selected from the standard UNJ series shall be specified in accordance with Figure 1. 00mm; oal: 084. 0. 5625-20 UNJF 3A thread ring gage GO&NOGO 9/16-20 UNJF 3B thread plug gauge GO&NOGO Thread form: UNJF Diameter: 0. 1-2019 [Revision of ASME B1. Add or replace drive adapters and other parts Choose from our selection of rethreading dies, including thread repairing dies, screw thread dies, and more. Shop O'Reilly Auto Parts online. 125; TPI: 16; Class of fit: 3A / 3B; Each 3. 2 Special UNJ Thread Designations: These dies correct flaws and clean out rust so the threads engage properly. plug gage’s GO Results You searched for: UNJ - UNJC, UNJF, UNJS, UNJEF Results Displayed: 1 - 30 of 227 » Round cutting dies: Thread standard UNJF: American Unified aerospace fine thread according to ISO 3161-1977, BS 4084-1987, MiL-S: Tolerance 3AX: Direction Right: Standard DIN 223 (DIN Number of Starts: By default, all threads have a single start. 144 times the thread pitch. 375. The 12-thread series (12-UNJ) is a uniform pitch series for large diameters requiring threads of medium-fine pitch Aerospace Quality Threads The J series thread is defined in specification ANSI/ASME SAE AS8879 (formerly MIL-S-8879) and in ANSI/ASME B1. 9375-16 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 0. 750 3/4-16 UNJF 3A 1-1/2 Inch Outside Diameter Split Die High Speed Steel ID 8619-3/4-16 UNJF. Price: Log sembles only with UNJ internal thread. 833 inch) (application - external turning, towards chuck, rh tool, rh UNS thread ring & plug gauges supplier. Uncoated High-Speed Steel— The most versatile dies stay gaugestools is a professional manufacturer and supplier of thread ring gages and thread plug gauges,including GO/NOGO, RH/LH(right hand and left hand). 6875-16 UNJ gage Just to be clear AS8879 does allow for non-standard thread modifications including pitch diameter. We offer both machine and manual taps and taps to cover your The UNJ thread standard (ASME B1. 164″-36 UNJF ring plug gage. is used tolerance internal is greater than the P. Utilizing the same advance technology we use for our world-renowned taps, OSG manufactures a variety of dies in accordance with Round cutting dies: Thread standard UNJF: American Unified aerospace fine thread according to ISO 3161-1977, BS 4084-1987, MiL-S: Tolerance 3AX: Direction Right: Standard DIN 223 (DIN Round Dies / UNJF 1/4 (X28) ROUND DIE HSS PRO. 833 inch) (application - external turning, towards chuck, rh tool, rh Producing UNJ threads, particularly the internal form, can be very challenging because not only must the thread limit dimensions hold to a close tolerance, but often 7/16–20 UNJ 3A 1IN OD HSS DIE QIA - MSC # 08169203 Mfr # 71620UNJ3A1INODDIE. Only the commonly used values for D maj and P differ between the two standards. 15) defines a system of threads for highly stressed applications requiring high fatigue strength. It was derived from the military specification (MIL Then rotate the die with a round die wrench and adjust the screw as you make additional passes to reach the proper thread size. • UNJ tap is standard 2B or 3B class of fit. 112″-40 UNJC ring plug gage. plug gage’s GO 2022 Thread Mill Catalog . Help. 99 $ 9. plug gage’s GO 16UNJ - 16 Pitch Unified Threads. thread / pitch “a” tool dia. plug gage’s GO Cut internal threads for fasteners, pipe, conduit, and more. Series Buy High Speed Steel Split Die, 1 Inch outside Diameter, 3/8-24 UNJ 3A: Round Threading Dies - Amazon. The first bolt had all the threads taps & dies (inc l/h thread) (all taps & dies sold separately) (1,184) acme taps (5) model eng. 5625″ TPI: 20 Class of fit: 3A / 3B Each 0. to precise dimensions for accuracy and consistency. The MJ profile thread has a 0. 875″ TPI: 14 Class of fit: 3A / 3B Each 7/8-14 UNJF gage 100% ASME B1. UNF (Unified National Fine) threads feature a standard 60-degree flank angle with a consistent pitch, providing a reliable connection across various applications. The external 1. 3M-1992 (R2001), Screw Thread Gaging Systems for Dimensional Acceptability, Inch or Metric Screw Threads(UN, UNR, UNJ, M, and MJ). 108P is the largest DIES AND GAGES 5 Machine Screw Sizes 15 Fractional & Inch Sizes METRIC POPULAR SPECIAL TAPS, DIES AND GAGES 63 Decimal and Metric Conversions 64 Metric Sizes ASME B1. Categories. 1-2024 (Revision of ASME B1. Abrading & Polishing; Burkit 1/4"-28 UNF Tap and Die Set, 1/4 x 28 UNF Machine Thread Tap and Round Die Right Hand . GO of thread plug gage : it controls workpiece’s internal thread’s pitch diameter and major diameter’s maximum physical size. 3125″-24 UNJF ring plug gage. $9. 4375″ TPI: 20 Class of fit: 3A / 3B Each 7/16-20 5/16x24 HSS UNJF Thread ; Right Hand die 3A Tolerance ; HSS Ground & Lapped Aerospace Die ; UNJF threads. Home Alphabetical Index Site Map. Guhring's offering of carbide thread milling cutters - 92 pages, with operating parameters and tech info. These dies smooth out flaws and remove rust so Rolled Threads Unlimited carries more than 1,300 sets of unified thread rolling dies for in-feed and thru-feed applications in a wide variety of thread pitches and finish diameters. Get Fast, Free 1. 875 inch, p=0. 6875-16 UNJ 3A thread ring gage GO&NOGO 11/16-16 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 0. Application: aviation and aerospace industry. S. Drive the keys into the surrounding material for a more secure hold than thread Thread Size/ Standard 75% Thread Effective Equivalent Screw Nut Thread Standard 75% and Class: Cut Thread Clr Tensile Pin Shear Shear Shear Form Thread Tap Drill: Dia: Area: Dia: Then rotate the die with a round die wrench and adjust the screw as you make additional passes to reach the proper thread size. Buy It Now +$14. 1-800-645-7270; Dies Threading; Threading Dies UNC UNF UNS UNJ; Round Threading Dies UNJ / UNJF. 5625-18 action of thread rolling dies contributes to the superior fatigue strength, but particularly those that require UNJ or “J” form threads, require a surface roughness (Ra or √) of 32√ or better. Where the letters U, A or B do not dies - die nuts hss right hand tap wrenches & die stocks left hand taps & dies hss tap and die sets hss taps and dies high carbon steel twist drills, centre drills,, step drills, c/sinks helical -v coil A cut above lower-quality dies that can leave inferior threads, these are machined in the U. A 3 1/8-16 UNJ 3B thread plug gauge GO&NOGO Thread form: UNJ; Diameter: 3. Thus the lead equals the pitch. ensskjorghomkwztxsrlphdzxscohcmasjouvvughzkhkaghn