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.
Ø (Diameter)
Part #
L (Length)
H (Height)
W (Width)
T (Tongue Width)
F (Bolt Spacing)
S (Key Slot Width)
I (Screw Size)
M (Thread Size)
8
DM13068
3.75
2.00
1.50
.669
1.250
.601
1/2
10-24
DM13068H
3.75
3.50
1.50
.669
1.250
.601
1/2
10-24
DM13068-4H
3.75
4.00
1.50
.669
1.250
.601
1/2
10-24
10
DM13072
4.125
2.313
1.75
.749
1.750
1.031
1/2
5/16-18
DM13602
4.125
3.813
1.75
.749
1.750
1.031
1/2
5/16-18
DM13072-4.5L
4.50
2.313
1.75
.749
1.750
1.031
1/2
5/16-18
DM13602-4.5L
4.50
3.813
1.75
.749
1.750
1.031
1/2
5/16-18
12
DM13605
5.625
2.313
1.75
.749
1.750
1.031
1/2
5/16-18
DM13606
5.625
3.813
1.75
.749
1.750
1.031
1/2
5/16-18
DM13605-6L
6.00
2.313
1.75
.749
1.750
1.031
1/2
5/16-18
DM13606-6L
6.00
3.813
1.75
.749
1.750
1.031
1/2
5/16-18
DM13071
4.125
2.313
1.75
.874
2.000
1.031
5/8
5/16-18
DM13607
4.125
3.813
1.75
.874
2.000
1.031
5/8
5/16-18
DM13609
5.125
2.313
1.75
.874
2.000
1.031
5/8
5/16-18
DM13610
5.125
3.813
1.75
.874
2.000
1.031
5/8
5/16-18
DM13609-5.5L
5.50
2.313
1.75
.874
2.000
1.031
5/8
5/16-18
DM13610-5.5L
5.50
3.813
1.75
.874
2.000
1.031
5/8
5/16-18
DM13609-6L
6.00
2.313
1.75
.874
2.000
1.031
5/8
5/16-18
DM13610-6L
6.00
3.813
1.75
.874
2.000
1.031
5/8
5/16-18
15-18
DM13070
6.00
3.25
2.50
.999
2.500
1.531
3/4
3/8-16
DM13611
6.00
4.75
2.50
.999
2.500
1.531
3/4
3/8-16
DM13070L
3.125
3.25
2.50
.999
2.500
1.531
3/4
3/8-16
DM13611L
3.125
4.75
2.50
.999
2.500
1.531
3/4
3/8-16
DM13070-6.5L
6.50
3.25
2.50
.999
2.500
1.531
3/4
3/8-16
DM13611-6.5L
6.50
4.75
2.50
.999
2.500
1.531
3/4
3/8-16
DM13070-7.5L
7.50
3.25
2.50
.999
2.500
1.531
3/4
3/8-16
DM13611-7.5L
7.50
4.75
2.50
.999
2.500
1.531
3/4
3/8-16
21-24
DM13069
6.00
3.25
3.00
1.249
3.000
1.531
7/8
3/8-16
DM13618
6.00
4.75
3.00
1.249
3.000
1.531
7/8
3/8-16
Acme 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.
Ø (Diameter)
Part #
H (Height)
T (Tongue Width)
F (Bolt Spacing)
S (Key Slot Width)
I (Screw Size)
M (Thread Size)
List Price
Casting Ø
8
DM13068FG
2.00
.669
1.250
.601
1/2
10-24
131.63
8"
10
DM13072FG
2.00
.749
1.750
1.031
1/2
5/16-18
217.19
10"
DM13072HFG
4.00
.749
1.750
1.031
1/2
5/16-18
327.92
10"
12
DM13605FG
2.375
.749
1.750
1.031
1/2
5/16-18
310.87
12"
DM13605HFG
4.00
.749
1.750
1.031
1/2
5/16-18
511.02
12"
DM13071FG
2.375
.874
2.000
1.031
5/8
5/16-18
298.08
12"
DM13071HFG
4.00
.874
2.000
1.031
5/8
5/16-18
498.23
12"
DM13071-6HFG
6.00
.874
2.000
1.031
5/8
5/16-18
838.92
12"
15
DM13070FG
3.00
.999
2.500
1.531
3/4
3/8-16
489.73
15"
DM13070HFG
4.00
.999
2.500
1.531
3/4
3/8-16
698.38
15"
21
DM13069FG
3.00
1.249
3.000
1.531
7/8
3/8-16
1429.68
21"
DM13069HFG
4.00
1.249
3.000
1.531
7/8
3/8-16
994.59
21"
Acme 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.
Ø (Diameter)
Part #
L (Length)
H (Height)
W (Width)
T (Tongue Width)
F (Bolt Spacing)
S (Key Slot Width)
I (Screw Size)
M (Thread Size)
List Price
8
DM13068RJ
3.75
2.00
1.50
.669
1.250
.601
1/2
10-24
1079.85
10
DM13072RJ
4.75
2.313
1.75
.749
1.750
1.031
1/2
5/16-18
867.9
DM13072-1RJ
4.75
2.313
1.75
.749
1.750
1.031
1/2
5/16-18
1051.25
12
DM13071RJ
5.125
2.313
1.75
.874
2.000
1.031
5/8
5/16-18
867.9
15-18
DM13070RJ
6.00
3.25
2.50
.999
2.500
1.531
3/4
3/8-16
1475
DM13070-1RJ
6.00
3.25
2.50
.999
2.500
1.531
3/4
3/8-16
1475
21-24
DM13069RJ
6.00
3.25
3.00
1.249
3.000
1.531
7/8
3/8-16
1675
DM13069-1RJ
6.00
3.25
3.00
1.249
3.000
1.531
7/8
3/8-16
1675
Acme Serrated Key Type — jaw nuts
Ø (Diameter)
Part #
L (Length)
H (Height)
W (Width)
F (Bolt Spacing)
M (Thread Size)
T1 (Tongue Width 1)
E (Heel Height)
List Price
8
DM8JNA
2.00
1.00
1.03
1.250
1/2-13
.668
.440
69.18
10
DM10JNA
2.50
.640
.940
1.750
1/2-13
.678
.381
62.73
12
DM12JNA
3.00
.745
1.06
2.000
5/8-11
.802
.440
65.62
15
DM15JNA
3.50
.931
1.25
2.500
3/4-10
.933
.550
69.18
21-24
DM21JNA
4.25
1.186
1.555
3.000
7/8-9
1.159
.684
86.43
Acme Serrated Key Type — Acme Serrated Master Keys
