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DFARS Compliance
Parts for Carbide Insert Holders
Parts for C-Code Holders
Parts for D-Code Holders
Parts for M-Code Holders
Parts for S-Code Holders
For technical drawings and 3-D models, click on a part number.
| For Holder Code | Reference No. | For Insert Inscribed Circle Diameter (IC) | Each | |
Clamp Screw | ||||
|---|---|---|---|---|
| CSBP, CTAP, CTCO, CTFP | CS-126 | 3/8", 1/2" | 00000000 | 00000 |
| CSBP, CTCO | CS-96 | 1/4", 3/8" | 00000000 | 0000 |
| MCLN, MDJN | XNS-48 | 1/2" | 00000000 | 0000 |
| MCLN, MDJN, MTAN, MTEN, MTGN, MTJN | XNS-36 | 3/8", 1/2" | 00000000 | 0000 |
| MCLN, MTGN, MTJN, MVJN, MVVN | XNS-510 | 3/8", 1/2", 5/8", 3/4" | 00000000 | 0000 |
| MRGN, MSDN, MTAN, MTEN, MWLN | XNS-59 | 1/2" | 00000000 | 0000 |
| MVVN | XNS-58 | 3/8", 1/2" | 00000000 | 0000 |
Lock Pin Screw | ||||
| MCLN | NL-44 | 1/2" | 0000000 | 0000 |
| MCLN | NL-58 | 5/8" | 00000000 | 0000 |
| MCLN, MCRN, MSDN | NL-68 | 3/4" | 00000000 | 00000 |
| MCLN, MDJN, MRGN, MSDN, MTAN, MTGN, MWLN | NL-46 | 1/2" | 00000000 | 0000 |
| MSDN | NL-34 | 3/8" | 00000000 | 0000 |
| MTAN, MTEN, MTGN, MTJN, MVJN, MVVN | NL-34L | 3/8" | 00000000 | 0000 |
Seat Screw | ||||
| CTCO | __ | 3/8", 1/2" | 0000000 | 0000 |
| CTCO, CTFP | __ | 1/2" | 00000000 | 0000 |
| DCLN | __ | 5/8" | 00000000 | 00000 |
| DCLN, DDJN, DSDN, DTGN, DTJN, DWLN | __ | 1/2" | 00000000 | 00000 |
| DDJN | __ | 3/8" | 0000000 | 00000 |
Torx Screw | ||||
| SCLC | __ | 3/8" | 0000000 | 0000 |
| SCLC, SDJC | __ | 1/4", 1/2" | 0000000 | 0000 |
| SCLC, SDJC, SSDC, SVJB | __ | 3/8", 1/2" | 0000000 | 0000 |
| STUC | __ | 1/4" | 0000000 | 0000 |
| STUC | __ | 3/8" | 0000000 | 0000 |
| SVJB | __ | 1/4" | 00000000 | 0000 |
Screws for Carbide Insert Holders
When it's time to replace the screws in a carbide insert holder, use the reference number on your holder to find the right size.
Clamp screws hold insert clamps at the proper height for tooling.
Lock pin screws hold the insert in place.
For technical drawings and 3-D models, click on a part number.
Clamp Screws—Threaded on Both Ends
| Lg. | Reference No. | Right-Hand Thread Lg. | Left-Hand Thread Lg. | Drive Style | Drive Size | Material | Min. Rockwell Hardness | Thread Fit  | Each | |
10-32 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0.59" | CS-205 | 0.19" | 0.19" | Hex × Hex | 3/32" | Steel | C42 | Class 3A | 000000000 | 00000 |
| 3/4" | CS-220 | 0.25" | 0.25" | Hex × Hex | 3/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 0.84" | CS-228 | 0.31" | 0.31" | Hex × Hex | 3/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 7/8" | CS-230 | 0.5" | 0.25" | Hex × Hex | 3/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
1/4"-28 | ||||||||||
| 0.69" | CS-306 | 0.28" | 0.28" | Hex × Hex | 1/8" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 0.81" | CS-320 | 0.28" | 0.28" | Hex × Hex | 1/8" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 0.81" | CS-321 | 0.28" | 0.28" | Hex × Hex | 3/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 1" | CS-330 | 0.37" | 0.37" | Hex × Hex | 1/8" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 1.16" | CS-335 | 0.45" | 0.45" | Hex × Hex | 1/8" | Steel | C42 | Class 3A | 000000000 | 0000 |
1/4"-32 | ||||||||||
| 0.564" | CS-304 | 0.221" | 0.221" | Hex | 1/8" | Steel | C42 | Class 3A | 000000000 | 0000 |
5/16"-24 | ||||||||||
| 1" | CS-410 | 0.25" | 0.5" | Hex × Hex | 5/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 1.12" | CS-420 | 0.41" | 0.47" | Hex × Hex | 5/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 1.156" | CS-425 | 0.406" | 0.5" | Hex × Hex | 5/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
| 1 1/4" | CS-430 | 0.5" | 0.5" | Hex × Hex | 5/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
5/16"-32 | ||||||||||
| 1 1/4" | CS-416 | 0.375" | 0.375" | Hex | 5/32" | Steel | C42 | Class 3A | 000000000 | 0000 |
Lock Pin Screws—Threaded on One End
| Lg. | Reference No. | Right-Hand Thread Lg. | Drive Style | Drive Size | Material | Min. Rockwell Hardness | Each | |
8-32 | ||||||||
|---|---|---|---|---|---|---|---|---|
| 0.322" | NL-23 | 0.09" | Hex | 1/16" | Steel | C42 | 000000000 | 00000 |
10-32 | ||||||||
| 0.347" | NL-33 | 0.109" | Hex × Hex | 5/64" | Steel | C42 | 000000000 | 0000 |
| 0.41" | NL-33L | 0.109" | Hex × Hex | 5/64" | Steel | C42 | 000000000 | 0000 |
| 0.425" | NL-43 | 0.109" | Hex × Hex | 5/64" | Steel | C42 | 000000000 | 0000 |
| 0.452" | NL-34 | 0.109" | Hex × Hex | 5/64" | Steel | C42 | 000000000 | 0000 |
| 0.513" | NL-34L | 0.109" | Hex × Hex | 5/64" | Steel | C42 | 000000000 | 0000 |
1/4"-28 | ||||||||
| 0.519" | NL-44 | 0.14" | Hex × Hex | 3/32" | Steel | C42 | 000000000 | 0000 |
| 0.676" | NL-46 | 0.14" | Hex × Hex | 3/32" | Steel | C42 | 000000000 | 0000 |
| 0.733" | NL-46L | 0.14" | Hex × Hex | 3/32" | Steel | C42 | 000000000 | 0000 |
3/8"-24 | ||||||||
| 0.857" | NL-68 | 0.156" | Hex × Hex | 9/64" | Steel | C42 | 000000000 | 00000 |
