A
内径范围 (标准钻头尺寸) |
B
主体外径 |
C
长度
(全长) |
订购标识 |
菱形槽型
(型号 DG) |
齿面槽型
(型号 SG) |
花键锁紧型
(型号 SL) |
小数尺寸 |
件号,字母,
以分数表示的尺寸+ |
公称尺寸 |
磨前尺寸 |
DG&SG |
SL |
.0980
to
.1406 |
#40 to #28
7/64 to 9/64 |
1/4 |
.275
.260 |
.2500
.2498 |
?1/4
5/16
3/8
1/2 |
DG-16-4
DG-16-5
DG-16-6
DG-16-8 |
SG-16-4
SG-16-5
SG-16-6
SG-16-8 |
SL-16-4
SL-16-5
SL-16-6
SL-16-8 |
.1406
to
.1935 |
#27 to #10
9/64 to 3/16 |
5/16 |
.337
.322 |
.3125
.3123 |
1/4
5/16
3/8
1/2
3/4 |
DG-20-4
DG-20-5
DG-20-6
DG-20-8
DG-20-12 |
SG-20-4
SG-20-5
SG-20-6
SG-20-8
SG-20-12 |
SL-20-5
SL-20-6
SL-20-8
SL-20-12 |
.1875
to
.2570 |
#12 to #1
“A” to “F”
3/16 to 1/4 |
13/32 |
.431
.416 |
.4062
.4060 |
SL-20-5
SL-20-6
SL-20-8
SL-20-12 |
DG-26-4
DG-26-5
DG-26-6
DG-26-8
DG-26-12 |
SG-26-4
SG-26-5
SG-26-6
SG-26-8
SG-26-12 |
SL-26-5
SL-26-6
SL-26-8
SL-26-12 |
.2500
to
.3160 |
“F” to “O”
1/4 to 5/16 |
1/2 |
.525
.510 |
.5000
.4998 |
5/16
3/8
1/2
3/4 |
DG-32-5
DG-32-6
DG-32-8
DG-32-12 |
SG-32-5
SG-32-6
SG-32-8
SG-32-12 |
SL-32-5
SL-32-6
SL-32-8
SL-32-12 |
.3125
to
.4375 |
“O” to “Z”
5/16 to 7/16 |
5/8 |
.650
.635 |
.6250
.6248 |
3/8
1/2
3/4
1
1-3/8 |
DG-40-6
DG-40-8
DG-40-12
DG-40-16
DG-40-22 |
SG-40-6
SG-40-8
SG-40-12
SG-40-16
SG-40-22 |
SL-40-6
SL-40-8
SL-40-12
SL-40-16 |
.4375
to
.5312 |
7/16 to 17/32 |
3/4 |
.775
.760 |
.7500
.7498 |
3/8
1/2
3/4
1
1-3/8 |
DG-48-6
DG-48-8
DG-48-12
DG-48-16
DG-48-22 |
SG-48-6
SG-48-8
SG-48-12
SG-48-16
SG-48-22 |
SL-48-6
SL-48-8
SL-48-12
SL-48-16 |
.5000
to
.6562 |
1/2 to 21/32 |
7/8 |
.900
.885 |
.8750
.8748 |
3/8
1/2
3/4
1
1-3/8 |
DG-56-6
DG-56-8
DG-56-12
DG-56-16
DG-56-22 |
SG-56-6
SG-56-8
SG-56-12
SG-56-16
SG-56-22 |
SL-56-6
SL-56-8
SL-56-12
SL-56-16 |
.6250
to
.7656 |
5/8 to 49/64 |
1" |
1.025
1.010 |
1.0000
.9998 |
1/2
3/4
1
1-3/8 |
DG-64-8
DG-64-12
DG-64-16
DG-64-22 |
SG-64-8
SG-64-12
SG-64-16
SG-64-22 |
SL-64-8
SL-64-12
SL-64-16
SL-64-22 |
+ 内径尺寸以分数表示, 为1/64英寸的倍数 (除非另有指明)
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