齿距

公制规格

英制规格

支/盒

支/箱

装订页数

4:1

6mm

1/4"

100

1000

5-35

7mm

9/32"

35-50

8mm

5/16"

50-60

9mm

11/32"

60-70

10mm

3/8"

70-80

11mm

7/16"

80-90

12mm

1/2"

90-100

13mm

17/32"

100-110

14mm

9/16"

110-120

15mm

19/32"

120-130

16mm

5/8"

130-140

17mm

43/64"

140-150

18mm

23/32"

150-160

20mm

3/4"

160-180

22mm

7/8"

50

500

180-200

25mm

1"

210-230

28mm

1-1/8"

230-260

30mm

1-3/16"

260-280

32mm

1-1/4"

280-290

35mm

1-3/8"

30

300

290-310

38mm

1-1/2"

310-330

45mm

1-3/4"

350-390

50mm

2"

390-4403