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For Jacobs Chuck Manufacturer Model Number
Base Length
Lathe Chuck Jaw Nuts
Secure jaws to a CNC lathe chuck with industry standard 1.5 mm × 60° serrations or wider 3 mm × 60° serrations.
Jaw nuts with M6, M8, M10, M12, M16, and M20 threads fit most chucks made by Kitagawa, LMC, Samchully, Seoam, Auto Strong, and other brands.
Jaw nuts with inch and M14 threads fit most chucks made by Matsumoto.
Jaw Nuts with Metric Threads
Thread | Base | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Lathe Chuck Dia. | For Slot Wd. | Size | Pitch, mm | Ht. | Lg. | Wd. | Overall Ht. | For Serration Size | Mounting Hole Ctr.-to-Ctr. | Material | Each | |
| 4" | 0.315" | M6 | 1 | 11/64" | 61/64" | 29/64" | 17/32" | 1.5 mm × 60° | 0.591" | Steel | 0000000 | 000000 |
| 5" | 0.392" | M8 | 1.25 | 7/32" | 1 11/64" | 35/64" | 39/64" | 1.5 mm × 60° | 0.713" | Steel | 0000000 | 00000 |
| 6" | 0.472" | M10 | 1.5 | 19/64" | 1 13/32" | 11/16" | 23/32" | 1.5 mm × 60° | 0.787" | Steel | 0000000 | 00000 |
| 8" | 0.551" | M12 | 1.75 | 11/32" | 1 27/32" | 13/16" | 13/16" | 1.5 mm × 60° | 0.984" | Steel | 0000000 | 00000 |
| 10" | 0.63" | M12 | 1.75 | 11/32" | 1 63/64" | 7/8" | 27/32" | 1.5 mm × 60° | 1.181" | Steel | 0000000 | 00000 |
| 12" | 0.705" | M14 | 2 | 17/32" | 2 3/16" | 1 1/8" | 1 11/64" | 1.5 mm × 60° | 1.26" | Steel | 0000000 | 00000 |
| 12" | 0.827" | M16 | 2 | 29/64" | 2 9/16" | 1 5/32" | 1 3/32" | 1.5 mm × 60° | 1.181" | Steel | 0000000 | 00000 |
| 15" | 0.866" | M20 | 2.5 | 21/32" | 3 5/32" | 1 5/16" | 1 51/64" | 1.5 mm × 60° | 1.693" | Steel | 0000000 | 00000 |
| 21", 24" | 0.982" | M20 | 2.5 | 11/16" | 3 59/64" | 1 7/16" | 2 1/16" | 3 mm × 60° | 2.36" | Steel | 0000000 | 00000 |
Jaw Nuts with Inch Threads
Base | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Lathe Chuck Dia. | For Slot Wd. | Thread Size | Ht. | Lg. | Wd. | Overall Ht. | For Serration Size | Mounting Hole Ctr.-to-Ctr. | Material | Each | |
| 6" | 0.432" | 5/16"-18 | 9/32" | 1 9/16" | 11/16" | 25/32" | 1.5 mm × 60° | 0.984" | Steel | 0000000 | 000000 |
| 8" | 0.551" | 7/16"-14 | 21/64" | 1 3/4" | 51/64" | 7/8" | 1.5 mm × 60° | 0.984" | Steel | 0000000 | 00000 |
| 10" | 0.629" | 1/2"-13 | 5/16" | 2 3/64" | 57/64" | 57/64" | 1.5 mm × 60° | 1.26" | Steel | 0000000 | 00000 |
| 15" | 0.865" | 3/4"-10 | 49/64" | 3 9/64" | 1 21/64" | 1 35/64" | 3 mm × 60° | 1.96" | Steel | 0000000 | 00000 |
Rotary Table Mounting Kits for Lathe Chucks
Use these kits to mount lathe chucks to your rotary table—they come with everything you need for a precise, rigid setup. Choose a kit that’s compatible with the brand and model of your rotary table.
| For Lathe Chuck Dia. | For Manufacturer Model No. | Each | |
Haas | |||
|---|---|---|---|
| 6" | HRC160, HRT160, HRT160SP, HRT160SS, TR160, TR200Y, TRT160 | 00000000 | 0000000 |
| 8" | HRC210, HRT210, HRT210SP, HRT210SS, TR210, TRT210 | 00000000 | 000000 |
| 10" | HRC210, HRT210, HRT210SP, HRT210SS, TR210, TRT210 | 00000000 | 000000 |
| 12" | HRT310, HRT310SP, TR310 | 00000000 | 000000 |
Kitagawa | |||
| 8" | GT200, MR200 | 00000000 | 000000 |
| 10" | GT250, MR250 | 00000000 | 00000000 |
DMG Mori | |||
| 8" | DDRT200 | 00000000 | 000000 |
| 10" | DDRT260 | 00000000 | 00000000 |
Hurco | |||
| 8" | H200 | 00000000 | 000000 |
| 10" | H250 | 00000000 | 00000000 |
Parts for Procunier Auto-Reversing Tap
Holders for Straight and Morse Taper Spindles
Clutch Assembly
Clutch Spring
Collet Nut
Stud Nut
Wrench
| Procunier Number | Each | |
Clutch Assembly | ||
|---|---|---|
| 1-E | 00000000 | 0000000 |
| 2-E | 00000000 | 000000 |
| 3-E | 00000000 | 000000 |
| 4-F | 00000000 | 000000 |
Clutch Spring | ||
| 1-E | 00000000 | 00000 |
| 2-E | 00000000 | 00000 |
| 3-E | 00000000 | 00000 |
| 4-F | 00000000 | 00000 |
Collet Nut | ||
| 1-E | 0000000 | 00000 |
| 2-E | 0000000 | 00000 |
| 3-E | 0000000 | 00000 |
| 4-F | 0000000 | 00000 |
Stud Nut | ||
| 1-E | 00000000 | 0000 |
| 2-E, 3-E | 00000000 | 0000 |
| 4-F | 00000000 | 0000 |
Wrench | ||
| 1-E | 00000000 | 00000 |
| 2-E | 00000000 | 00000 |
| 3-E | 00000000 | 00000 |
| 4-F | 00000000 | 00000 |
Service Kits for Jacobs Drill Chucks
Kits include a set of jaws, set of split nuts, a thrust bearing, and washer.
Style A are for older chucks that do not have a service kit number on their nose.
Style B are for chucks that have a service kit number on their nose.
