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Insert Holder Code
Clamp Screw Reference Number
Torx Screw Reference Number
Length
Export Control Classification Number (ECCN)
Thread Direction
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
Each | ||||
|---|---|---|---|---|
| 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 | 00000 |
| MCLN, MCRN, MSDN | NL-68 | 3/4" | 00000000 | 00000 |
| MCLN, MDJN, MRGN, MSDN, MTAN, MTGN, MWLN | NL-46 | 1/2" | 00000000 | 00000 |
| 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 | 000 |
| STUC | __ | 3/8" | 0000000 | 000 |
| 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.
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 |
Parts for Boring Carbide Insert Holders
Replace keys, screws, clamps and other parts for boring carbide insert holders.
Torx Screws
| For Holder Code | Torx Screw Reference No. | Each | |
| CCUD | MTS-183 | 00000000 | 00000 |
| CSBI | CC09 | 0000000 | 0000 |
| DCLN, DDHN, DDJN, DDUN, DSBN, DSKN, DTFN, DVJN, DVLN, DVPN, DVVN, DWLN, KSTB, SCLC, SDJC, SDKC, SDLP, SDNC, SDUC, SDXC, SDZC, SVJB | SB4085TR | 00000000 | 0000 |
| FCUD | MTS-224 | 00000000 | 0000 |
| FSBI | FC14 | 0000000 | 0000 |
| QSBI | QC21 | 0000000 | 0000 |
| QSBI | QC26 | 0000000 | 0000 |
| SDXC | MTS-35 | 00000000 | 0000 |
| SDXC | MTS-255 | 00000000 | 0000 |
| SSBI | SC30 | 0000000 | 0000 |
Torx Keys
Torx Key
Length | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Holder Code | Torx Key Reference No. | Drive Size | Overall | Long Leg | Short Leg | Material | Color | Each | |
| CSBI | CKEY | T7 | 2" | 1 7/8" | 5/8" | Black-Oxide Steel | Black | 0000000 | 00000 |
| FSBI | FKEY | T7 | 2" | 1 7/8" | 5/8" | Black-Oxide Steel | Black | 0000000 | 0000 |
| QSBI | QKEY | T7 | 2 1/8" | 2" | 5/8" | Black-Oxide Steel | Black | 0000000 | 0000 |
| SSBI | SKEY | T8 | 2 3/8" | 2 1/4" | 5/8" | Black-Oxide Steel | Black | 0000000 | 0000 |
Clamp Screws
| For Holder Code | Clamp Screw Reference No. | For Insert Inscribed Circle Dia. (IC) | Each | |
| DCLN, DDHN, DDJN, DSBN, DWLN | CS-3D | 1/2" | 00000000 | 00000 |
