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American Standard Tongue & Groove
Medium Duty  |  Heavy Duty  
 
Medium Duty
 

American Standard Tongue & Groove
— medium duty flat soft jaws

 

Add “A” to beginning of part number when ordering aluminum jaws.
Made with 1018 steel or 6061 aluminum.

 

 

American Standard Tongue & Groove  |  Soft Jaws


Diameter

Part
Number

L
Length

H
Height

W
Width

B
Slot
Width

T
Tongue
Width 1

F
Bolt
Spacing

I
Screw
Size

5 DM201445 2.625 1.625 1.25 .313 .499 1.250 5/16
DM201439 2.625 3.375 1.25 .313 .499 1.250 5/16
DM20105 2.625 1.375 1.00 .313 .499 1.250 5/16
DM20105H 2.625 3.375 1.00 .313 .499 1.250 5/16
6 DM201447 2.625 1.625 1.25 .313 .499 1.500 3/8
DM201471 2.625 3.375 1.25 .313 .499 1.500 3/8
DM20106 3.25 1.375 1.00 .313 .499 1.500 3/8
DM20106H 3.25 3.375 1.00 .313 .499 1.500 3/8
8 DM201450 3.50 1.625 1.25 .313 .499 1.750 3/8
DM201474 3.50 3.375 1.25 .313 .499 1.750 3/8
DM20108 3.75 1.875 1.25 .313 .499 1.750 3/8
DM20108H 3.75 3.375 1.25 .313 .499 1.750 3/8
10 DM201452 4.25 1.875 1.50 .501 .749 2.125 1/2
DM201476 4.25 3.375 1.50 .501 .749 2.125 1/2
DM20110 4.625 1.875 1.50 .501 .749 2.125 1/2
DM20110H 4.625 3.375 1.50 .501 .749 2.125 1/2
12 DM201454 4.875 2.375 1.75 .501 .749 2.500 1/2
DM201478 4.875 3.875 1.75 .501 .749 2.500 1/2
DM20112 5.375 2.375 1.75 .501 .749 2.500 1/2
DM20112H 5.375 3.875 1.75 .501 .749 2.500 1/2
15 DM201456 5.625 2.25 2.00 .501 .749 3.000 5/8
DM201480 5.625 3.75 2.00 .501 .749 3.000 5/8
DM20115 6.25 2.25 1.75 .501 .749 3.000 5/8
DM20115H 6.25 3.75 1.75 .501 .749 3.000 5/8
15-36 DM201457 5.625 2.25 2.00 .501 .749 3.000 3/4
DM201481 5.625 4.75 2.00 .501 .749 3.000 3/4
18 DM20118 6.375 2.75 2.25 .501 .749 3.000 3/4
DM20118H 6.375 4.75 2.25 .501 .749 3.000 3/4
24-36 DM201458 5.625 3.25 2.50 .501 .749 3.000 3/4
DM201482 5.625 4.75 2.50 .501 .749 3.000 3/4
 

 
American Standard Tongue & Groove
— medium duty pointed soft jaws

 

Add “A” to beginning of part number when ordering aluminum jaws.
Made with 1018 steel or 6061 aluminum.

 

 

American Standard Tongue & Groove  |  Hard Jaws


Diameter

Part
Number

L
Length

H
Height

W
Width

B
Slot
Width

T
Tongue
Width 1

F
Bolt
Spacing

I
Screw
Size

5 DM201443 2.625 1.625 1.25 .313 .499 1.250 5/16
DM201444 2.625 3.375 1.25 .313 .499 1.250 5/16
DM20105P 2.625 1.375 1.00 .313 .499 1.250 5/16
DM20105HP 2.625 3.375 1.00 .313 .499 1.250 5/16
6 DM201459 3.188 1.625 1.25 .313 .499 1.500 3/8
DM201483 3.188 3.375 1.25 .313 .499 1.500 3/8
DM20106P 3.25 1.375 1.00 .313 .499 1.500 3/8
DM20106HP 3.25 3.375 1.00 .313 .499 1.500 3/8
8 DM201462 3.938 1.625 1.25 .313 .499 1.750 3/8
DM201486 3.938 3.375 1.25 .313 .499 1.750 3/8
DM20108P 3.75 1.875 1.25 .313 .499 1.750 3/8
DM20108HP 3.75 3.375 1.25 .313 .499 1.750 3/8
10 DM201464 4.813 1.875 1.50 .501 .749 2.125 1/2
DM201488 4.813 3.375 1.50 .501 .749 2.125 1/2
DM20110P 4.625 1.875 1.50 .501 .749 2.125 1/2
DM20110HP 4.625 3.375 1.50 .501 .749 2.125 1/2
12 DM201466 5.75 2.375 1.75 .501 .749 2.500 1/2
DM201490 5.75 3.875 1.75 .501 .749 2.500 1/2
DM20112P 5.375 2.375 1.75 .501 .749 2.500 1/2
DM20112HP 5.375 3.875 1.75 .501 .749 2.500 1/2
15 DM201468 7.25 2.25 2.00 .501 .749 3.000 5/8
DM201495 7.25 3.75 2.00 .501 .749 3.000 5/8
DM20115P 6.25 2.25 1.75 .501 .749 3.000 5/8
DM20115HP 6.25 3.75 1.75 .501 .749 3.000 5/8
18 DM20118P 6.375 2.75 2.25 .501 .749 3.000 3/4
DM20118HP 6.375 4.75 2.25 .501 .749 3.000 3/4
 

 
American Standard Tongue & Groove
— Medium Duty 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.

 

 

American Standard Tongue & Groove  |  Jaw Nuts


Diameter

Part
Number

H
Height

B
Slot
Width

T
Tongue
Width 1

F
Bolt
Spacing

I
Screw
Size

Casting

5 DM5MDP 1.75 .313 .499 1.250 5/16 6"
6 DM6MDP 1.75 .313 .499 1.500 3/8 6"
DM6MDPH 4.00 .313 .499 1.500 3/8 6"
8D-6MDP 2.00 .313 .499 1.500 3/8 8"
8D-6MDPH 4.00 .313 .499 1.500 3/8 8"
8 DM8MDP 2.00 .313 .499 1.750 3/8 8"
DM8MDPH 4.00 .313 .499 1.750 3/8 8"
DM8MDP-6H 6.00 .313 .499 1.750 3/8 8"
10D-8MDP 2.00 .313 .499 1.750 3/8 10"
10D-8MDPH 4.00 .313 .499 1.750 3/8 10"
10 DM10MDP 2.00 .501 .749 2.125 1/2 10"
DM10MDPH 4.00 .501 .749 2.125 1/2 10"
DM10MDP6H 6.00 .501 .749 2.125 1/2 10"
12D-10MDP 2.375 .501 .749 2.125 1/2 12"
12D-10MDPH 4.00 .501 .749 2.125 1/2 12"
15D-10MDP 3.00 .501 .749 2.125 1/2 15"
15D-10MDPH 4.00 .501 .749 2.125 1/2 15"
12 DM12MDP 2.375 .501 .749 2.500 1/2 12"
DM12MDPH 4.00 .501 .749 2.500 1/2 12"
15D-12MDP 3.00 .501 .749 2.500 1/2 15"
15D-12MDPH 4.00 .501 .749 2.500 1/2 15"
18D-12MDP 3.00 .501 .749 2.500 1/2 18
18D-12MDPH 4.00 .501 .749 2.500 1/2 18"
15 DM15MDP 3.00 .501 .749 3.000 5/8 15"
DM15MDPH 4.00 .501 .749 3.000 5/8 15"
18D-15MDP 3.00 .501 .749 3.000 5/8 18"
18D-15MDPH 4.00 .501 .749 3.000 5/8 18"
24D-15MDP 3.00 .501 .749 3.000 5/8 24"
24D-15MDPH 4.00 .501 .749 3.000 5/8 24"
18 DM18MDP 3.00 .501 .749 3.000 5/8 18"
DM18MDPH 4.00 .501 .749 3.000 5/8 18"
 

 
American Standard Tongue & Groove
— Medium Duty 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.

 

American Standard Tongue & Groove  |  Jaw Nuts


Diameter

Part
Number

L
Length

H
Height

W
Width

B
Slot
Width

T
Tongue
Width 1

F
Bolt
Spacing

I
Screw
Size

5 DM5BMD 2.205 1.39 .866 .313 .499 1.250 5/16
6 DM6MD 2.625 1.75 1.00 .313 .499 1.500 3/8
DM6BMD 2.638 1.508 .984 .313 .499 1.500 3/8
8 DM8MD 3.563 1.875 1.25 .313 .499 1.750 3/8
DM8BMD 3.347 1.587 1.063 .313 .499 1.750 3/8
10 DM10MD 4.00 2.375 1.75 .501 .749 2.125 1/2
DM10MD1 4.00 2.375 1.75 .501 .749 2.125 1/2
DM10BMD 3.74 1.897 1.28 .501 .749 2.125 1/2
12 DM12MD 4.375 2.375 1.75 .501 .749 2.500 1/2
DM12BMD 4.331 2.039 1.457 .501 .749 2.500 1/2
15 DM15MD 5.50 3.25 2.50 .501 .749 3.000 5/8
DM15BMD 5.00 2.288 1.654 .501 .749 3.000 5/8
15+ DM15HD 5.50 3.25 2.50 .501 .749 3.000 3/4
20 DM20BMD 5.00 2.685 1.654 .501 .749 3.000 3/4
25 DM25BMD 5.00 2.98 2.047 .501 .749 3.000 3/4
 

Heavy Duty
 
American Standard Tongue & Groove
— Heavy duty flat soft jaws

 

Add “A” to beginning of part number when ordering aluminum jaws.
Made with 1018 steel or 6061 aluminum.

 

 

American Standard Tongue & Groove  |  Jaw Nuts


Diameter

Part
Number

L
Length

H
Height

W
Width

B
Slot
Width

T
Tongue
Width 1

F
Bolt
Spacing

I
Screw
Size

6 DM201448 2.625 1.625 1.25 .313 .499 1.500 7/16
DM201473 2.625 3.375 1.25 .313 .499 1.500 7/16
DM20206 3.25 1.375 1.50 .313 .499 1.500 7/16
DM20206H 3.25 3.375 1.50 .313 .499 1.500 7/16
8 DM201451 3.50 1.875 1.50 .313 .499 1.750 1/2
DM201475 3.50 3.375 1.50 .313 .499 1.750 1/2
DM20208 3.75 1.875 1.50 .313 .499 1.750 1/2
DM20208H 3.75 3.375 1.50 .313 .499 1.750 1/2
DM8WS 3.50 2.125 1.25 .313 .499 1.750 1/2
DM8WSH 3.50 3.375 1.25 .313 .499 1.750 1/2
10 DM201453 4.25 2.375 1.75 .501 .749 2.125 5/8
DM201477 4.25 3..875 1.75 .501 .749 2.125 5/8
DM20210 4.625 1.875 1.75 .501 .749 2.125 5/8
DM20210H 4.625 3.875 1.75 .501 .749 2.125 5/8
DM10WS 4.25 2.375 1.75 .501 .749 2.125 5/8
DM10WSH 4.25 3.375 1.75 .501 .749 2.125 5/8
12 DM201455 4.875 2.375 2.00 .501 .749 2.500 5/8
DM201479 4.875 4.875 2.00 .501 .749 2.500 5/8
DM20212 5.375 2.375 2.00 .501 .749 2.500 5/8
DM20212H 5.375 4.875 2.00 .501 .749 2.500 5/8
DM12WS 4.875 2.375 1.75 .501 .749 2.500 5/8
DM12WSH 4.875 3.375 1.75 .501 .749 2.500 5/8
15 DM20215 6.25 2.25 2.50 .501 .749 3.000 3/4
DM20215H 6.25 4.75 2.50 .501 .749 3.000 3/4
DM15WS 5.75 3.25 2.00 .501 .749 3.000 3/4
DM15WSH 5.75 4.75 2.00 .501 .749 3.000 3/4
15-36 DM201457 5.625 2.25 2.00 .501 .749 3.000 3/4
DM201481 5.625 4.75 2.00 .501 .749 3.000 3/4
18 DM18WS 6.00 3.25 2.50 .501 .749 3.000 3/4
DM18WSH 6.00 4.75 2.50 .501 .749 3.000 3/4
18+ DM20218 6.375 2.75 3.00 .501 .749 3.000 3/4
DM20218H 6.375 4.75 3.00 .501 .749 3.000 3/4
21 DM21WS 6.25 3.25 2.50 .501 .749 3.000 3/4
DM21WSH 6.25 4.75 2.50 .501 .749 3.000 3/4
24 DM24WS 6.375 3.75 3.00 .501 .749 3.000 3/4
DM24WSH 6.375 5.75 3.00 .501 .749 3.000 3/4
24-36 DM201458 5.625 3.25 2.50 .501 .749 3.000 3/4
DM201482 5.625 4.75 2.50 .501 .749 3.000 3/4
 

 
American Standard Tongue & Groove
— Heavy duty pointed soft jaws

 

Add “A” to beginning of part number when ordering aluminum jaws.
Made with 1018 steel or 6061 aluminum.

 

 

American Standard Tongue & Groove  |  Jaw Nuts


Diameter

Part
Number

L
Length

H
Height

W
Width

B
Slot
Width

T
Tongue
Width 1

F
Bolt
Spacing

I
Screw
Size

6 DM201460 3.188 1.625 1.25 .313 .499 1.500 7/16
DM201484 3.188 3.375 1.25 .313 .499 1.500 7/16
DM20206P 3.25 1.375 1.50 .313 .499 1.500 7/16
DM20206HP 3.25 3.375 1.50 .313 .499 1.500 7/16
8 DM201463 3.938 1.875 1.50 .313 .499 1.750 1/2
DM201487 3.938 3.375 1.50 .313 .499 1.750 1/2
DM20208P 3.75 1.875 1.50 .313 .499 1.750 1/2
DM20208HP 3.75 3.375 1.50 .313 .499 1.750 1/2
DM8WSP 3.50 2.125 1.25 .313 .499 1.750 1/2
DM8WSHP 3.50 3.375 1.25 .313 .499 1.750 1/2
10 DM201465 4.813 2.375 1.75 .501 .749 2.125 5/8
DM201489 4.813 3.875 1.75 .501 .749 2.125 5/8
DM20210P 4.625 1.875 1.75 .501 .749 2.125 5/8
DM20210HP 4.625 3.875 1.75 .501 .749 2.125 5/8
DM10WSP 4.25 2.375 1.75 .501 .749 2.125 5/8
DM10WSHP 4.25 3.375 1.75 .501 .749 2.125 5/8
12 DM201467 5.75 2.375 2.00 .501 .749 2.500 5/8
DM201491 5.75 3.875 2.00 .501 .749 2.500 5/8
DM20212P 5.375 2.375 2.00 .501 .749 2.500 5/8
DM20212HP 5.375 4.875 2.00 .501 .749 2.500 5/8
DM12WSP 4.875 2.375 1.75 .501 .749 2.500 5/8
DM12WSHP 4.875 3.375 1.75 .501 .749 2.500 5/8
15 DM20215P 6.25 2.25 2.50 .501 .749 3.000 3/4
DM20215HP 6.25 4.75 2.50 .501 .749 3.000 3/4
DM15WSP 5.75 3.25 2.00 .501 .749 3.000 3/4
DM15WSHP 5.75 4.75 2.00 .501 .749 3.000 3/4
DM201469 7.25 2.25 2.00 .501 .749 3.000 3/4
DM201496 7.25 3.75 2.00 .501 .749 3.000 3/4
15-36 DM201519 7.25 3.25 2.50 .501 .749 3.000 3/4
DM201520 7.25 4.75 2.50 .501 .749 3.000 3/4
18 DM18WSP 6.00 3.25 2.50 .501 .749 3.000 3/4
DM18WSHP 6.00 4.75 2.50 .501 .749 3.000 3/4
18+ DM20218P 6.375 2.75 3.00 .501 .749 3.000 3/4
DM20218HP 6.375 4.75 3.00 .501 .749 3.000 3/4
21 DM21WSP 6.25 3.25 2.50 .501 .749 3.000 3/4
DM21WSHP 6.25 4.75 2.50 .501 .749 3.000 3/4
24 DM24WSP 6.375 3.75 3.00 .501 .749 3.000 3/4
DM24WSHP 6.375 5.75 3.00 .501 .749 3.000 3/4
 

 
American Standard Tongue & Groove
— Heavy duty 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.

 

 

American Standard Tongue & Groove  |  Jaw Nuts


Diameter

Part
Number

H
Height

B
Slot
Width

T
Tongue
Width 1

F
Bolt
Spacing

I
Screw
Size

Casting

6 DM6HDP 2.00 .313 .499 1.500 7/16 6"
DM6HDPH 4.00 .313 .499 1.500 7/16 6"
8D-6HDP 2.00 .313 .499 1.500 7/16 8"
8D-6HDPH 4.00 .313 .499 1.500 7/16 8"
8 DM8HDP 2.00 .313 .499 1.750 1/2 8"
DM8HDPH 4.00 .313 .499 1.750 1/2 8"
DM8HDP-6H 6.00 .313 .499 1.750 1/2 8"
10D-8HDP 2.00 .313 .499 1.750 1/2 10"
10D-8HDPH 4.00 .313 .499 1.750 1/2 10"
10 DM10HDP 2.00 .501 .749 2.125 5/8 10"
DM10HDPH 4.00 .501 .749 2.125 5/8 10"
DM10HDP-6H 6.00 .501 .749 2.125 5/8 10"
12D-10HDP 2.375 .501 .749 2.125 5/8 12"
12D-10HDPH 4.00 .501 .749 2.125 5/8 12"
12 DM12HDP 2.375 .501 .749 2.500 5/8 12"
DM12HDPH 4.00 .501 .749 2.500 5/8 12"
15D-12HDP 3.00 .501 .749 2.500 5/8 15"
15D-12HDPH 4.00 .501 .749 2.500 5/8 15"
18D-12HDP 3.00 .501 .749 2.500 5/8 18
18D-12HDPH 4.00 .501 .749 2.500 5/8 18"
15+ DM15HDP 3.00 .501 .749 3.000 3/4 15"
DM15HDPH 4.00 .501 .749 3.000 3/4 15"
18D-15HDP 3.00 .501 .749 3.000 3/4 18"
18D-15HDPH 4.00 .501 .749 3.000 3/4 18"
24D-15HDP 3.00 .501 .749 3.000 3/4 24"
24D-15HDPH 4.00 .501 .749 3.000 3/4 24"
18 DM18HDP 3.00 .501 .749 3.000 3/4 18"
DM18HDPH 4.00 .501 .749 3.000 3/4 18"
 

 
American Standard Tongue & Groove
— Heavy duty 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.

 

 

American Standard Tongue & Groove  |  Jaw Nuts


Diameter

Part
Number

L
Length

H
Height

W
Width

B
Slot
Width

T
Tongue
Width 1

F
Bolt
Spacing

I
Screw
Size

6 DM6HD 2.625 1.75 1.00 .313 .499 1.500 7/16
8 DM8HD 3.563 1.875 1.25 .313 .499 1.750 1/2
10 DM10HD 4.00 2.375 1.75 .501 .749 2.125 5/8
12 DM12HD 4.375 2.375 1.75 .501 .749 2.500 5/8
15+ DM15HD 5.50 3.25 2.50 .501 .749 3.000 3/4
 

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