A
內徑范圍 (標準鉆頭尺寸) |
B
主體外徑 |
C
長度
(頭下) |
ANSI標識
型號 SF |
價格
代碼** |
HEAD SIZE |
鎖緊螺絲
和壓板 |
小數尺寸 |
件號,字母,
以分數表示的尺寸+ |
公稱尺寸 |
磨前尺寸 |
F |
G |
H |
J |
R |
.2344
.2500
.2570
.2656
.2812 |
15/64
1/4
"F"
17/64
9/32 |
7/16 |
.4375
.4373 |
3/8
1/2
3/4
1 |
SF-28-6
SF-28-8
SF-28-12
SF-28-16 |
138
140
146
153 |
5/8 |
1/4 |
1/8 |
15/64 |
29/64 |
#2 - LS |
.1406
to
.1875 |
#27 to #13
9/64 to 3/16 |
1/2 |
.5000
.4998 |
5/16
3/8
1/2
3/4
1
1-3/8
1-3/4 |
SF-32-5
SF-32-6
SF-32-8
SF-32-12
SF-32-16
SF-32-22
SF-32-28 |
140
143
145
150
160
170
182 |
51/64 |
1/4 |
1/8 |
19/64 |
5/8 |
1A - LS
RC - 1A |
.1890
to
.3438 |
#12 to #1
"A" to "R"
13/64 to 11/32 |
1/2 |
.5000
.4998 |
5/16
3/8
1/2
3/4
1
1-3/8
1-3/4
2-1/8 |
SF-32-5
SF-32-6
SF-32-8
SF-32-12
SF-32-16
SF-32-22
SF-32-28
SF-32-34 |
137
138
140
146
153
165
177
245 |
51/64 |
1/4 |
1/8 |
19/64 |
5/8 |
1A-LS
RC - 1A |
.3125
to
.3438 |
"O" to "R"
5/16 to 11/32 |
9/16 |
.5625
.5623 |
1/2
5/8
3/4
1 |
SF-36-8
SF-36-10
SF-36-12
SF-36-16 |
140
143
146
153 |
7/8 |
1/4 |
1/8 |
23/64 |
37/64 |
#2 - LS |
.3594
to
.4375 |
"U" to "Z"
23/64 to 7/16 |
5/8 |
.6250
.6248 |
5/16
3/8
1/2
5/8
3/4
1
1-1/4 |
SF-40-5
SF-40-6
SF-40-8
SF-40-10
SF-40-12
SF-40-16
SF-40-20 |
137
138
140
142
144
150
165 |
7/8 |
1/4 |
1/8 |
23/64 |
37/64 |
#2 - LS |
.2812
to
.5625 |
"L" to "Z"
9/32 to 9/16 |
3/4 |
.7500
.7498 |
1/2
3/4
1
1-3/8
1-3/4
2-1/8
2-1/2 |
SF-48-8
SF-48-12
SF-48-16
SF-48-22
SF-48-28
SF-48-34
SF-48-40 |
140
144
150
165
180
194
260 |
1-3/64 |
1/4 |
1/8 |
27/64 |
3/4 |
1A - LS
RC - 1A |
+ 內徑尺寸以分數表示, 為1/64英寸的倍數 (除非另有指明). 
工作機會 訂購流程 
（一）
