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Metric Tongue & Groove

Soft Jaws | Full Grips | Hard Jaws | Monoblock Jaws | Base Jaws

Metric Tongue & Groove
— Full Grips

Made with 356 cast aluminum.
Add “C” to beginning of part number when ordering cast iron jaws.
Add “S” to beginning of part number when ordering steel jaws.

Ø (Diameter)	Part #	H (Height)	B (Slot Width)	T (Tongue Width)	F (Bolt Spacing)	I (Screw Size)	Casting Ø
140-175MM	DMK140FG	1.75	.313	.708	1.260	M8	6"
	DMK140HFG	4.00	.313	.708	1.260	M8	6"
200MM	DMK200FG	2.00	.393	.787	1.575	M8	8"
	DMK200HFG	4.00	.393	.787	1.575	M8	8"
250MM	DMK250FG	2.00	.472	.787	1.575	M12	10"
	DMK250HFG	4.00	.472	.787	1.575	M12	10"
315MM	DMK315FG	2.375	.472	.787	1.575	M12	12"
	DMK315HFG	4.00	.472	.787	1.575	M12	12"
400MM	DMK400FG	3.00	.472	1.023	2.126	M12	15"
	DMK400HFG	4.00	.472	1.023	2.126	M12	15"
500MM	DMK500FG	3.00	.709	1.181	2.362	M16	21"
	DMK500HFG	4.00	.709	1.181	2.362	M16	21"
630MM	DMK630FG	3.00	.709	1.181	2.362	M16	24"
	DMK630HFG	4.00	.709	1.181	2.362	M16	24"

Metric Tongue & Groove
— Hard Jaws

Made with 1018 case hardened steel.
Hard jaws are reversible for OD & ID chucking. All hard jaws are available in one or two step sets. All part #’s listed below are two step sets.

Ø (Diameter)	Part #	L (Length)	H (Height)	W (Width)	B (Slot Width)	T (Tongue Width)	F (Bolt Spacing)	I (Screw Size)
140-175MM	DMK140RJ	2.50	1.625	1.00	.313	.708	1.260	M8
200MM	DMK200RJ	3.00	1.625	1.00	.393	.787	1.575	M8
250-315MM	DMK250RJ	3.543	2.00	1.25	.472	.787	1.575	M12
400MM	DMK400RJ	4.134	2.50	1.50	.472	1.023	2.126	M12
500-630MM	DMK500RJ	5.118	3.00	1.75	.709	1.181	2.362	M16

Metric Tongue & Groove
— Monoblock Jaws

Ø (Diameter)	Part #	L (Length)	H (Height)	W (Width)	V (Height From Chuck Face)
140MM	UVB140	2.283	2.185	.787	1.378
160-175MM	UVB160	2.559	2.165	.787	1.378
200MM	UVB200	3.307	2.559	.866	1.575
250MM	UVB250	3.898	3.307	1.024	2.165
315MM	UVB315	4.764	3.543	1.260	2.205
400MM	UVB400	5.827	3.937	1.260	2.598
500MM	UVB500	6.890	4.882	1.772	3.031
630MM	UVB630	9.055	5.276	1.772	3.425

Metric Tongue & Groove
— Base jaws

Ø (Diameter)	Part #	L (Length)	H (Height)	W (Width)	T (Tongue Width)	F (Bolt Spacing)	S (Key Slot Width)
140MM	GBK140	2.205	1.083	.787	.315	1.260	.709
160-175MM	GBK160	2.559	1.181	.787	.315	1.260	.709
200MM	GBK200	3.346	1.260	.866	.394	1.575	.787
250MM	GBK250	4.094	1.575	1.024	.472	1.575	.787
315MM	GBK315	4.528	1.811	1.260	.472	1.575	.787
400MM	GBK400	4.921	1.811	1.260	.472	2.126	1.024
500MM	GBK500	6.299	2.402	1.772	.709	2.362	1.181
630MM	GBK630	7.992	2.402	1.772	.709	2.362	1.181