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> 3/32 x 90° Serrated
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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.

Metric Tongue & Groove  |  Full Grips

Ø (Diameter)

Part #

H (Height)

B (Slot Width)

F (Bolt Spacing)

T (Tongue Width)

I (Screw Size)

Casting Ø

140-175MM DMK140HFG 4.00 .313 1.260 .708 M8 6"
DMK140FG 1.75 .313 1.260 .708 M8 6"
200MM DMK200FG 2.00 .393 1.575 .787 M8 8"
DMK200HFG 4.00 .393 1.575 .787 M8 8"
250MM DMK250FG 2.00 .472 1.575 .787 M12 10"
DMK250HFG 4.00 .472 1.575 .787 M12 10"
315MM DMK315FG 2.375 .472 1.575 .787 M12 12"
DMK315HFG 4.00 .472 1.575 .787 M12 12"
400MM DMK400FG 3.00 .472 2.126 1.023 M12 15"
DMK400HFG 4.00 .472 2.126 1.023 M12 15"
500MM DMK500FG 3.00 .709 2.362 1.181 M16 21"
DMK500HFG 4.00 .709 2.362 1.181 M16 21"
630MM DMK630FG 3.00 .709 2.362 1.181 M16 24"
DMK630HFG 4.00 .709 2.362 1.181 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.

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

 
Metric Tongue & Groove
— Monoblock Jaws

 

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

 

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