ACME标准型钻套 型号H

内径范围 (钻头尺寸)

标准内径公差 (加上公称内径)

#80 to 1/4

+.0001 to +.0004

Over 1/4 to 3/4

+.0001 to +.0005

Over 3/4 to 1-1/2

+.0002 to +.0006

Over 1-1/2 to 2-3/4

+.0003 to +.0007

.1250 to .1935

#30 to #10 1/8 to 3/16

5/16

.3141 .3138

1/4 5/16 3/8 1/2 5/8 3/4 1 1-3/8 1-3/4

H-20-4 H-20-5 H-20-6 H-20-8 H-20-10 H-20-12 H-20-16 H-20-22 H-20-28

122 125 128 129 130 132 144 193 228

F 27/64

G 1/8

.1935 to .2280

#10 to #1 13/64 and 7/32

3/8

.3766 .3763

1/4 3/8 1/2 3/4 1

H-24-4 H-24-6 H-24-8 H-24-12 H-24-16

118 124 126 129 139

F 1/2 G 3/32

.1875 To .2570

#12 to #1 “A” to “F” 3/16 to 1/4

13/32

.4078 .4075

1/4 5/16 3/8 1/2 3/4 1 1-3/8 1-3/4

H-26-4 H-26-5 H-26-6 H-26-8 H-26-12 H-26-16 H-26-22 H-26-28

119 120 124 126 128 129 148 166

F 1/2 G 5/32

.2344 .2500 .2570 .2656 .2812

15/64 1/4 “F” 17/64 9/32

7/16

.4392 .4389

1/4 3/8 1/2 5/8 3/4 1

H-28-4 H-28-6 H-28-8 H-28-10 H-28-12 H-28-16

119 124 126 128 129 139

F 9/16 G 3/32

.1875 to .3160

#12 to #1 “A” to “O” 3/16 to 5/16

1/2

.5017 .5014

1/4 5/16 3/8 1/2 3/4 1 1-3/8 1-3/4

H-32-4 H-32-5 H-32-6 H-32-8 H-32-12 H-32-16 H-32-22 H-32-28

118 120 124 126 128 138 148 166

F 39/64 G 7/32

.3020 to .3438

“N” to “R” 5/16 to 11/32

9/16

.5642 .5639

3/8 1/2 5/8 3/4 1

H-36-6 H-36-8 H-36-10 H-36-12 H-36-16

122 122 123 124 128

F 11/16 G 3/32