Lathe Tool Insert Holder Replacement Parts

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Insert Inscribed Circle Diameter (IC)

Insert Holder Code

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Torx Screw Reference Number

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Clamp Screw Reference Number

Material

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

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Threaded on Both Ends

Threaded on One End

Seat Screw Reference Number

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131 Products

Parts for Carbide Insert Holders


Parts for D-Code Holders	Parts for C-Code Holders

Parts for S-Code Holders	Parts for M-Code Holders

Replace clamps, screws, seats, and slotted pins in carbide insert holders.

Clamps

For Insert Holder Code	Clamp Ref. No.	For Insert IC Dia.		Each
CSBP, CTCO	HC-9	1/4", 3/8"	3288A934	00000
CSBP, CTAP, CTCO, CTFP	HC-12	3/8", 1/2"	3288A933	00000
DCLN	CM209R ASSY	5/8"	3288A707	00000
DCLN, DDJN, DSDN, DTGN, DTJN, DWLN	CM234R ASSY	3/8", 1/2"	3288A504	00000
MCLN	CL-7	1/2"	1475N37	0000
MCLN, MDPN	CL-12	1/2", 5/8", 3/4"	3288A981	00000
MCLN, MDJN	CL-20	1/2"	3288A937	00000
MDJN, MTAN, MTEN, MTGN, MTJN	CL-6	3/8"	3288A931	00000
MRGN, MSDN, MTAN, MTEN, MTGN, MTJN, MWLN	CL-9	1/2", 5/8"	3288A982	00000
MVJN, MVVN	CL-30	3/8"	3288A935	00000

Clamp Clips

For Insert Holder Code	Clamp Clip Ref. No.	For Insert IC Dia.		Each
CSBP, CTCO	CLP-9	1/4", 3/8"	3288A984	00000
CSBP, CTAP, CTCO, CTFP	CLP-12	3/8", 1/2"	3288A983	0000

Clamp Screws

For Insert Holder Code	Clamp Screw Ref. No.	For Insert IC Dia.		Each
CSBP, CTCO	CS-96	1/4", 3/8"	3288A986	00000
CSBP, CTAP, CTCO, CTFP	CS-126	3/8", 1/2"	3288A985	0000
MCLN, MDJN, MTAN, MTEN, MTGN, MTJN	XNS-36	3/8", 1/2"	3288A943	0000
MCLN, MDJN	XNS-48	1/2"	3288A946	0000
MCLN, MTGN, MTJN, MVJN, MVVN	XNS-510	3/8", 1/2", 5/8", 3/4"	3288A947	0000
MRGN, MSDN, MTAN, MTEN, MWLN	XNS-59	1/2"	3288A972	0000
MVVN	XNS-58	3/8", 1/2"	3288A581	0000

Lock Pin Screws

For Insert Holder Code	Lock Pin Screw Ref. No.	For Insert IC Dia.		Each
MCLN	NL-44	1/2"	1475N36	00000
MCLN, MDJN, MRGN, MSDN, MTAN, MTGN, MWLN	NL-46	1/2"	3288A924	00000
MCLN	NL-58	5/8"	3288A997	00000
MCLN, MCRN, MSDN	NL-68	3/4"	3288A173	00000
MSDN	NL-34	3/8"	3288A174	0000
MTAN, MTEN, MTGN, MTJN, MVJN, MVVN	NL-34L	3/8"	3288A923	0000

Seats

For Insert Holder Code	Seat Ref. No.	For Insert IC Dia.	Seat Thk.		Each
CSBP	SM-40	1/2"	1/8"	3288A998	00000
CTCO, CTFP	SM-37	1/2"	1/8"	3288A929	0000
CTCO	SM-41	3/8"	1/8"	3288A919	0000
DCLN, MCLN	ICSN-433	1/2"	3/16"	3288A987	00000
DCLN	ICSN-543	5/8"	0.255"	3288A694	00000
DDJN	IDSN-322	3/8"	0.127"	3288A874	00000
DDJN	IDSN-443	1/2"	0.192"	3288A903	00000
DSDN, MSDN	ISSN-433	1/2"	3/16"	3288A992	00000
DTGN, DTJN	ITSN-443	1/2"	0.127"	3288A965	00000
DWLN, MWLN	IWSN-433	1/2"	3/16"	3288A996	00000
MCLN	ICSN-533	5/8"	3/16"	3288A988	00000
MCLN, MCRN	ICSN-633	3/4"	3/16"	3288A167	00000
MDJN, MDPN	IDSN-433	1/2"	0.189"	3288A989	00000
MRGN	IRSN-43	1/2"	3/16"	3288A991	00000
MSDN	ISSN-322	3/8"	1/8"	3288A168	0000
MSDN	ISSN-533	5/8"	3/16"	3288A169	00000
MSDN	ISSN-633	3/4"	3/16"	3288A171	00000
MTAN, MTEN, MTGN, MTJN	ITSN-333	3/8"	3/16"	3288A914	0000
MTAN, MTEN, MTGN, MTJN	ITSN-433	1/2"	3/16"	3288A915	00000
MTJN	ITSN-322	3/8"	1/8"	3288A993	0000
MTJN	ITSN-332	3/8"	3/16"	3288A994	0000
MVJN, MVVN	IVSN-322	3/8"	1/8"	3288A995	0000
MWLN	IWSN-322	3/8"	1/8"	3288A172	0000

Seat Screws

For Insert Holder Code	Seat Screw Ref. No.	For Insert IC Dia.		Each
CTCO	TS-4	3/8", 1/2"	3288A98	00000
CTCO, CTFP	TS-6	1/2"	3288A971	0000
DCLN, DDJN, DSDN, DTGN, DTJN, DWLN	KMSP415IP	1/2"	3288A407	00000
DCLN	KMSP515IP	5/8"	3288A697	00000
DDJN	KMSP315IP	3/8"	3288A89	00000

Slotted Pins

For Insert Holder Code	Slotted Pin Ref. No.	For Insert IC Dia.		Each
DCLN, DDJN, DSDN, DTGN, DTJN, DWLN	SSP025016M	3/8", 1/2", 5/8"	3288A547	00000

Torx Screws

For Insert Holder Code	Torx Screw Ref. No.	For Insert IC Dia.		Each
SCLC, SDJC, SSDC, SVJB	TS-4.7-10M1	3/8", 1/2"	3288A97	00000
SCLC	TS-4.7-8M1	3/8"	1475N35	0000
SCLC, SDJC	TS-25.45-6M2	1/4", 1/2"	3288A96	0000
STUC	6-998-2506	1/4"	1475N41	0000
STUC	6-998-4008T	3/8"	1475N42	0000
SVJB	TS-25.45-8M2	1/4"	3288A175	0000

Parts for Boring Carbide Insert Holders

Replace keys, screws, clamps and other parts for boring carbide insert holders.

Clamps

For Insert Holder Code	Clamp Ref. No.	For Insert IC Dia.		Each
DCLN, DDHN, DDJN, DDUN, DSBN, DSKN, DTFN, DWLN	CP-3D	1/2"	9971N128	000000

Clamp Screws

For Insert Holder Code	Clamp Screw Ref. No.	For Insert IC Dia.		Each
DCLN, DDHN, DDJN, DSBN, DWLN	CS-3D	1/2"	9971N129	00000

Hex Keys

		Lg.
For Insert Holder Code	Drive Size	Overall	Long Leg	Short Leg	Material	Color		Each
DCLN, DDJN, DSBN, DVJN, DVPN, DVVN, DWLN	1/8"	2 1/2"	2 1/2"	13/16"	Black-Oxide Steel	Black	9971N134	00000

Nozzles

For Insert Holder Code	For Insert IC Dia.		Each
DCLN, DDUN, DSKN, DTFN, DWLN	3/8"	9971N133	000000

Seats

For Insert Holder Code	Seat Ref. No.	For Insert IC Dia.	Seat Thk.		Each
DCLN	DC-42	1/2"	0.126"	9971N138	000000
DDUN	DD-42	1/2"	0.126"	9971N136	00000
DDUN	DD-42-16	1/2"	0.126"	9971N137	00000

Springs

For Insert Holder Code	For Insert IC Dia.		Each
DCLN, DDHN, DDJN, DDUN, DSBN, DSKN, DTFN, DWLN	3/8"	9971N131	00000

Torx Keys


Torx Key	Torx Key with Handle

			Lg.
For Insert Holder Code	Torx Key Ref. No.	Drive Size	Overall	Long Leg	Short Leg	Material	Color	Handle Material		Each
CCUD	T-6	T6	2 1/2"	2 3/8"	3/4"	Chrome-Plated Steel	Silver	—	9971N125	00000
CSBI	CKEY	T7	2"	1 7/8"	5/8"	Black-Oxide Steel	Black	—	3315A69	0000
DCLN, DDJN, DSBN, DTGN, DVJN, DVPN, DVVN, DWLN, SINR	T-15	T15	3 1/8"	1 3/4"	7/16"	Black-Oxide Steel	Black	Plastic	9971N135	0000
FCUD, SDXC	T-7	T7	2 1/2"	2 3/8"	3/4"	Chrome-Plated Steel	Silver	—	9971N126	0000
FSBI	FKEY	T7	2"	1 7/8"	5/8"	Black-Oxide Steel	Black	—	3315A71	0000
QSBI	QKEY	T7	2 1/8"	2"	5/8"	Black-Oxide Steel	Black	—	3315A72	0000
SDXC	T-15	T15	2 5/8"	2 1/2"	3/4"	Chrome-Plated Steel	Silver	—	9971N127	0000
SSBI	SKEY	T8	2 3/8"	2 1/4"	5/8"	Black-Oxide Steel	Black	—	3315A73	0000

Torx Screws

For Insert Holder Code	Torx Screw Ref. No.		Each
CCUD	MTS-183	9971N121	00000
CSBI	CC09	3315A61	0000
DCLN, DDHN, DDJN, DDUN, DSBN, DSKN, DTFN, DVJN, DVLN, DVPN, DVVN, DWLN, KSTB, SCLC, SDJC, SDKC, SDLP, SDNC, SDUC, SDXC, SDZC, SVJB	SB4085TR	9971N132	0000
FCUD	MTS-224	9971N122	0000
FSBI	FC14	3315A64	0000
QSBI	QC21	3315A65	0000
QSBI	QC26	3315A66	0000
SDXC	MTS-35	9971N124	0000
SDXC	MTS-255	9971N123	0000
SSBI	SC30	3315A67	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 Screw—Threaded on Both Ends

Clamp screws hold insert clamps at the proper height for tooling.

			Thread Lg.
	Lg.	Clamp Screw Ref. No.	Right-Hand	Left-Hand	Drive Style	Drive Size	Material	Min. Hardness	Thread Fit		Each
10-32 Threads



		0.59"	CS-205	0.19"	0.19"	Hex × Hex	3/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A210	00000


		3/4"	CS-220	0.25"	0.25"	Hex × Hex	3/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A250	0000
		0.84"	CS-228	0.31"	0.31"	Hex × Hex	3/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A260	0000
		7/8"	CS-230	0.5"	0.25"	Hex × Hex	3/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A270	0000


		1/4"-28 Threads



				0.69"	CS-306	0.28"	0.28"	Hex × Hex	1/8"	Steel	Rockwell C42	Unified Standard Class 3A	91442A320	0000


				0.81"	CS-320	0.28"	0.28"	Hex × Hex	1/8"	Steel	Rockwell C42	Unified Standard Class 3A	91442A360	0000
				0.81"	CS-321	0.28"	0.28"	Hex × Hex	3/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A370	0000
				1"	CS-330	0.37"	0.37"	Hex × Hex	1/8"	Steel	Rockwell C42	Unified Standard Class 3A	91442A390	0000
				1.16"	CS-335	0.45"	0.45"	Hex × Hex	1/8"	Steel	Rockwell C42	Unified Standard Class 3A	91442A400	0000


				1/4"-32 Threads



						0.564"	CS-304	0.221"	0.221"	Hex	1/8"	Steel	Rockwell C42	Unified Standard Class 3A	91442A310	0000


						5/16"-24 Threads



								1"	CS-410	0.25"	0.5"	Hex × Hex	5/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A410	0000


								1.12"	CS-420	0.41"	0.47"	Hex × Hex	5/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A440	0000
								1.156"	CS-425	0.406"	0.5"	Hex × Hex	5/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A450	0000
								1 1/4"	CS-430	0.5"	0.5"	Hex × Hex	5/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A460	0000


								5/16"-32 Threads



										1 1/4"	CS-416	0.375"	0.375"	Hex	5/32"	Steel	Rockwell C42	Unified Standard Class 3A	91442A430	0000

Lock Pin Screw—Threaded on One End

Lock pin screws hold the insert in place.

	Lock Pin Screw Ref. No.	Right-Hand Thread Lg.	Drive Style	Drive Size	Material	Min. Hardness		Each
8-32 Threads



	0.322"	NL-23	0.09"	Hex	1/16"	Steel	Rockwell C42	91442A520	00000


	10-32 Threads



			0.347"	NL-33	0.109"	Hex × Hex	5/64"	Steel	Rockwell C42	91442A530	0000


			0.41"	NL-33L	0.109"	Hex × Hex	5/64"	Steel	Rockwell C42	91442A540	0000
			0.425"	NL-43	0.109"	Hex × Hex	5/64"	Steel	Rockwell C42	91442A570	0000
			0.452"	NL-34	0.109"	Hex × Hex	5/64"	Steel	Rockwell C42	91442A550	0000
			0.513"	NL-34L	0.109"	Hex × Hex	5/64"	Steel	Rockwell C42	91442A560	0000


			1/4"-28 Threads



					0.519"	NL-44	0.14"	Hex × Hex	3/32"	Steel	Rockwell C42	91442A580	0000


					0.676"	NL-46	0.14"	Hex × Hex	3/32"	Steel	Rockwell C42	91442A590	0000
					0.733"	NL-46L	0.14"	Hex × Hex	3/32"	Steel	Rockwell C42	91442A600	0000


					3/8"-24 Threads



							0.857"	NL-68	0.156"	Hex × Hex	9/64"	Steel	Rockwell C42	91442A680	00000

Parts for High-Performance Carbide Insert Holders for Threading and Grooving

Replace worn or missing clamps and clamp screws in high-performance carbide insert holders for threading and grooving. They’re compatible with top-notch style threading and grooving systems.

Clamps

Image of Product. Front orientation. Lathe Tool Insert Holder Replacement Parts. Parts for High-Performance Carbide Insert Holders for Threading and Grooving, Clamps.

For Insert Holder Code	Clamp Ref. No.		Each
A08-EL2	TF-146	1879N23	000000
A08-ER2	TF-147	1879N24	00000
A12-EL2, SL-62, SR-122B	TF-74	1879N21	00000
A12-ER2, SL-62, SL-122B	TF-75	1879N22	00000
A16-EL3, A24-EL3, SR-123B, SR-163D	TF-72	1879N13	0000
A16-ER3, A24-ER3, SL-123B, SL-163D	TF-73	1879N14	0000
ASL-082D	TF-183	1879N26	00000
ASL-103B	TF-185	1879N12	00000
ASR-082D	TF-182	1879N25	00000
ASR-103B	TF-184	1879N11	00000

Clamps with Coolant Hole

Add clamps with a coolant hole to minimize heat and clear chips while threading or grooving, extending tool life. The hole allows coolant to flow from your machine to your workpiece.

For Insert Holder Code	Clamp Ref. No.		Each
A12-EL2, SL-62, SR-122B	TF-74	1879N213	000000
A12-ER2, SL-62, SL-122B	TF-75	1879N214	00000
A16-EL3, A24-EL3, SR-123B, SR-163D	TF-72	1879N211	00000
A16-ER3, A24-ER3, SL-123B, SL-163D	TF-73	1879N212	00000
ASL-082D	TF-183	1879N216	00000
ASR-082D	TF-182	1879N215	00000
ASR-103B	TF-184	1879N217	00000

Clamp Screws

For Clamp Ref. No.	Clamp Screw Ref. No.		Each
TF-74, TF-75, TF-146, TF-147	S-39	1884N21	00000
TF-74, TF-75, TF-182, TF-183	S-310	1884N22	0000
TF-72, TF-73, TF-184, TF-185	S-412	1884N11	0000