top of page
Crawford Multi-bore Collets DIN6343: Serrated Bore
CRAWFORD MULTIBOER COLLETS TECHSPEC DWG.png
Technical Specifications
Part Number
A
B
C
M-673
1.53"
2.42"
14.75 Deg.
M-677
1.77"
3.36"
14.75 Deg.
J-660
1.89"
4.27"
14.75 Deg.
CRAWFORD MULTIBORE COLLET CHOICES
Grip Range Inch
Grip Range MM
M-673 Round 175E Compatable
M-673 Hex 175E Compatable
M-673 Square 175E Compatable
M-677 Round 185E Compatable
M-677 Hex 185E Compatable
M-677 Square 185E Compatable
.15-.23
4-6
M673-R-6*
M673-X-6*
M673-S-6*
M677-R-6*
M677-X-6*
M677-S-6*
.23-.31
6-8
M673-R-8*
M673-X-8*
M673-S-8*
M677-R-8
M677-X-8
M677-S-8
.31-.39
8-10
M673-R-10
M673-X-10
M673-S-10
M677-R-10
M677-X-10
M677-S-10
.39-.47
10-12
M673-R-12
M673-X-12
M673-S-12
M677-R-12
M677-X-12
M677-S-12
47-.55
12-14
M673-R-14
M673-X-14
M673-S-14
M677-R-14
M677-X-14
M677-S-14
.55-.63
14-16
M673-R-16
M673-X-16
M673-S-16
M677-R-16
M677-X-16
M677-S-16
.63-.70
16-18
M673-R-18
M673-X-18
M673-S-18
M677-R-18
M677-X-18
M677-S-18
.70-.78
18-20
M673-R-20
M673-X-20
M673-S-20
M677-R-20
M677-X-20
M677-S-20
.78-.86
20-22
M673-R-22
M673-X-22
M673-S-22
M677-R-22
M677-X-22
M677-S-22
.86-.94
22-24
M673-R-24
M673-X-24
M673-S-24
M677-R-24
M677-X-24
M677-S-24
.94-1.02
24-26
M673-R-26
M673-X-26
M673-S-26
M677-R-26
M677-X-26
M677-S-26
1.02-1.10
26-28
M673-R-28
M673-X-28
M673-S-28
M677-R-28
M677-X-28
M677-S-28
1.10 -1.18
28-30
M673-R-30
M673-X-30
M673-S-30
M677-R-30
M677-X-30
M677-S-30
1.18-1.25
30-32
M673-R-32
M673-X-32
-
M677-R-32
M677-X-32
M677-S-32
1.25-1.33
32-34
M673-R-34
M673-X-34
-
M677-R-34
M677-X-34
M677-S-34
1.33-1.41
34-36
M673-R-36
M673-X-36
-
M677-R-36
M677-X-36
M677-S-36
1.41-1.49
36-38
M673-R-38
-
-
M677-R-38
M677-X-38
M677-S-38
1.49-1.57
38-40
M673-R-40
-
-
M677-R-40
M677-X-40
M677-S-40
1.57-1.65
40-42
M673-R-42
-
-
M677-R-42
M677-X-42
M677-S-42
1.65-1.73
42-44
-
-
-
M677-R-44
M677-X-44
-
1.73-1.81
44-46
-
-
-
M677-R-46
M677-X-46
-
1.81-1.89
46-48
-
-
-
M677-R-48
M677-X-48
-
1.89-1.92
48-50
-
-
-
M677-R-50
M677-X-50
-
1.92-2.04
50-52
-
-
-
M677-R-52
M677-X-52
-
2.04-2.12
52-54
-
-
-
M677-R-54
-
-
2.12-2.20
54-56
-
-
-
M677-R-56
-
-
2.20-2.28
56-58
-
-
-
M677-R-58
-
-
2.28-2.36
58-60
-
-
-
M677-R-60
-
-
2.36-2.44
60-62
-
-
-
-
-
-
2.44-2.52
62-64
-
-
-
-
-
-
2.52-2.59
64-66
-
-
-
-
-
-
2.59-2.67
66-68
-
-
-
-
-
-
2.67-2.75
68-70
-
-
-
-
-
-
2.75-2.83
70-72
-
-
-
-
-
-
2.83-2.91
72-74
-
-
-
-
-
-
2.91-2.99
74-76
-
-
-
-
-
-
2.99-3.07
76-78
-
-
-
-
-
-
3.07-3.14
78-80
-
-
-
-
-
-

Round bore collets are supplied with spiral serrations except where marked with (*)
All collets marked with (*) are supplied with plain bore
Hexagonal and square collets are supplied with annular serrations except where marked with (*)

Collet Chuck available

bottom of page