SQUARE SERRATED KEY TYPE
— SOFT JAWS

Add “A” to beginning of part number when ordering aluminum jaws.

Add “P” to end of part number when ordering pointed jaws.

Made with 1018 steel or 6061 aluminum.

← Scroll →
Ø
Diameter
Part
Number
L
Length
H
Height
W
Width
B
Slot
Width
F
Bolt
Spacing
S
Key Slot
Width
I
Screw
Size
M
Thread Size
8 DM204570 3.00 2.00 1.25 .501 1.438 .746 3/8 1/4-20
DM204570P 3.00 2.00 1.25 .501 1.438 .746 3/8 1/4-20
DM204002 3.00 3.00 1.25 .501 1.438 .746 3/8 1/4-20
DM204002P 3.00 3.00 1.25 .501 1.438 .746 3/8 1/4-20
DM204001 3.00 2.25 2.00 .501 1.250 .625 1/2 N/A
DM204001P 3.00 2.25 2.00 .501 1.250 .625 1/2 N/A
DM204003 3.00 3.00 2.00 .501 1.250 .625 1/2 N/A
DM204003P 3.00 3.00 2.00 .501 1.250 .625 1/2 N/A
DM204007 3.437 1.75 1.50 .751 1.438 .743 1/2 1/4-20
DM204007P 3.437 1.75 1.50 .751 1.438 .743 1/2 1/4-20
DM204008 3.437 3.00 1.50 .751 1.438 .743 1/2 1/4-20
DM204008P 3.437 3.00 1.50 .751 1.438 .743 1/2 1/4-20
10 DM204009 4.313 2.00 1.75 .751 1.750 .996 1/2 5/16-18
DM204009P 4.313 2.00 1.75 .751 1.750 .996 1/2 5/16-18
DM204010 4.313 4.00 1.75 .751 1.750 .996 1/2 5/16-18
DM204010P 4.313 4.00 1.75 .751 1.750 .996 1/2 5/16-18
DM204011 4.00 2.25 2.00 .626 1.750 .751 1/2 1/4-20
DM204011P 4.00 2.25 2.00 .626 1.750 .751 1/2 1/4-20
DM204012 4.00 4.00 2.00 .626 1.750 .751 1/2 1/4-20
DM204012P 4.00 4.00 2.00 .626 1.750 .751 1/2 1/4-20
10-12 DM204571 4.00 2.25 1.75 .751 1.750 .996 1/2 5/16-18
DM204571P 4.00 2.25 1.75 .751 1.750 .996 1/2 5/16-18
DM215806 4.00 4.00 1.75 .751 1.750 .996 1/2 5/16-18
DM215806P 4.00 4.00 1.75 .751 1.750 .996 1/2 5/16-18
12 DM204015 4.937 2.25 1.75 .751 1.750 .996 5/8 5/16-18
DM204015P 4.937 2.25 1.75 .751 1.750 .996 5/8 5/16-18
DM204016 4.937 4.00 1.75 .751 1.750 .996 5/8 5/16-18
DM204016P 4.937 4.00 1.75 .751 1.750 .996 5/8 5/16-18
DM204019 5.50 2.50 2.00 .751 1.750 .996 1/2 5/16-18
DM204019P 5.50 2.50 2.00 .751 1.750 .996 1/2 5/16-18
DM204020 5.50 4.00 2.00 .751 1.750 .996 1/2 5/16-18
DM204020P 5.50 4.00 2.00 .751 1.750 .996 1/2 5/16-18
DM215813 5.50 2.50 2.00 .751 1.750 .996 5/8 5/16-18
DM215813P 5.50 2.50 2.00 .751 1.750 .996 5/8 5/16-18
DM215814 5.50 4.00 2.00 .751 1.750 .996 5/8 5/16-18
DM215814P 5.50 4.00 2.00 .751 1.750 .996 5/8 5/16-18
DM204021 5.50 2.50 2.00 .751 1.750 .996 5/8 5/16-18
DM204021P 5.50 2.50 2.00 .751 1.750 .996 5/8 5/16-18
DM204022 5.50 4.00 2.00 .751 1.750 .996 5/8 5/16-18
DM204022P 5.50 4.00 2.00 .751 1.750 .996 5/8 5/16-18
DM215815 5.00 2.50 1.75 .751 1.750 .996 5/8 5/16-18
DM215815P 5.00 2.50 1.75 .751 1.750 .996 5/8 5/16-18
DM215816 5.00 4.00 1.75 .751 1.750 .996 5/8 5/16-18
DM215816P 5.00 4.00 1.75 .751 1.750 .996 5/8 5/16-18
15 DM204023 6.00 2.50 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204023P 6.00 2.50 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204024 6.00 4.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204024P 6.00 4.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204572 5.00 3.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204572P 5.00 3.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM215818 5.00 5.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM215818P 5.00 5.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM215823 6.813 3.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM215823P 6.813 3.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM215824 6.813 5.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM215824P 6.813 5.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204025 6.25 3.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204025P 6.25 3.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204026 6.25 5.00 2.25 1.001 2.500 1.488 3/4 3/8-16
DM204026P 6.25 5.00 2.25 1.001 2.500 1.488 3/4 3/8-16
18 DM204027 5.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204027P 5.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204028 5.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204028P 5.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204029 6.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204029P 6.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204030 6.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204030P 6.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
21-24 DM215825 5.00 3.00 2.25 1.001 3.000 1.488 3/4 3/8-16
DM215825P 5.00 3.00 2.25 1.001 3.000 1.488 3/4 3/8-16
DM215826 5.00 5.00 2.25 1.001 3.000 1.488 3/4 3/8-16
DM215826P 5.00 5.00 2.25 1.001 3.000 1.488 3/4 3/8-16
DM204031 5.00 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204031P 5.00 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204032 5.00 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204032P 5.00 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204033 6.25 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204033P 6.25 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204034 6.25 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204034P 6.25 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
24-32 DM204035 6.00 3.00 2.50 1.001 2.625 1.488 3/4 3/8-16
DM204035P 6.00 3.00 2.50 1.001 2.625 1.488 3/4 3/8-16
DM204036 6.00 5.00 2.50 1.001 2.625 1.488 3/4 3/8-16
DM204036P 6.00 5.00 2.50 1.001 2.625 1.488 3/4 3/8-16
28-36 DM204037 6.50 3.50 3.00 1.188 3.000 1.532 7/8 3/8-16
DM204037P 6.50 3.50 3.00 1.188 3.000 1.532 7/8 3/8-16
DM204038 6.50 5.00 3.00 1.188 3.000 1.532 7/8 3/8-16
DM204038P 6.50 5.00 3.00 1.188 3.000 1.532 7/8 3/8-16

Square Serrated Key Type
— 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.

← Scroll →
Ø
Diameter
Part
Number
H
Height
B
Slot
Width
F
Bolt
Spacing
S
Key Slot
Width
I
Screw
Size
M
Thread Size
Casting
Ø
8 DM8ARFG 2.00 .501 1.438 .746 3/8 1/4-20 8"
DM8ARHFG 4.00 .501 1.438 .746 3/8 1/4-20 8"
204007FG 2.00 .751 1.438 .746 1/2 1/4-20 8"
204008FG 4.00 .751 1.438 .746 1/2 1/4-20 8"
10 DM10ARFG 2.00 .751 1.750 .996 1/2 5/16-18 10"
DM10ARHFG 4.00 .751 1.750 .996 1/2 5/16-18 10"
DM10ARFG58 2.00 .751 1.750 .996 5/8 5/16-18 10"
DM10ARHFG58 4.00 .751 1.750 .996 5/8 5/16-18 10"
12 DM12ARFG 2.375 .751 1.750 .996 1/2 5/16-18 12"
DM12ARHFG 4.00 .751 1.750 .996 1/2 5/16-18 12"
DM12ARFG58 2.375 .751 1.750 .996 5/8 5/16-18 12"
DM12ARHFG58 4.00 .751 1.750 .996 5/8 5/16-18 12"
15 DM15ARFG 3.00 1.001 2.500 1.488 3/4 3/8-16 15"
DM15ARHFG 4.00 1.001 2.500 1.488 3/4 3/8-16 15"
18 DM18ARFG 3.00 1.001 2.500 1.488 3/4 3/8-16 18''
DM18ARHFG 4.00 1.001 2.500 1.488 3/4 3/8-16 18''

Square Serrated Key Type
— 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.

← Scroll →
Ø
Diameter
Part
Number
L
Length
H
Height
W
Width
B
Slot
Width
F
Bolt
Spacing
S
Key Slot
Width
I
Screw
Size
M
Thread Size
8 DM204007RJ 3.75 2.00 1.50 .751 1.438 .746 1/2 1/4-20
10 DM12AR 3.781 2.50 1.75 .751 1.750 .996 3/8 5/16-18
12 DM12AR58 3.781 2.50 1.75 .751 1.750 .996 5/8 5/16-18
15-18 DM18AR 4.75 3.00 2.25 1.001 2.500 1.488 3/4 3/8-16
21-24 DM21AR 6.00 3.50 2.50 1.001 3.000 1.488 3/4 3/8-16
28-36 DM28AR 6.50 3.50 3.00 1.188 3.000 1.532 7/8 3/8-16
← Scroll →
Ø
Diameter
Part
Number
L
Length
H
Height
W
Width
F
Bolt
Spacing
M
Thread Size
T1
Tongue
Width
E
Heel
Height
8 DM8CCJ 2.11 .996 .993 1.438 1/2-13 .750 .376
10-12 DM10/12CCJ 2.43 1.000 1.000 1.750 1/2-13 .750 .375
12 DM12CCJ 2.50 1.000 1.000 1.750 5/8-11 .750 .375
15-18 DM15/18JN 3.75 1.250 1.250 2.500 3/4-10 1.000 .438
21-24 DM21CCJ 4.50 1.250 1.250 3.000 3/4-10 1.000 .438
28-36 DM28CCJ 4.50 1.250 1.562 3.000 7/8-9 1.187 .438
← Scroll →
Ø
Diameter
Part
Number
L
Length
H
Height
W
Width
T
Tongue
Width
I
Screw
Size
P
Pitch
A
Slot
Depth
8 DM8SQK 1.313 .375 .744 .098 1/4 .200 .101
DM8CCA 1.406 .435 .744 .075 1/4 .155 .101
10-12 DM12SQK 1.688 .500 .995 .124 5/16 .250 .130
15 DM15SQK 2.00 .500 1.487 .124 3/8 .250 .130
18 DM18SQK 2.25 .500 1.487 .124 3/8 .250 .130
21-24 DM21SQK 2.50 .500 1.487 .124 3/8 .250 .130
28-36 DM28SQK 2.50 .500 1.531 .124 3/8 .250 .130