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Bewise Inc. www.tool-tool.com
bsp英国标准管螺纹螺纹数据
Nominal Size
(inches)
名义尺寸
（英寸）

TPI
顶端

Pitch
(inches)
斜度

Major
Diameter
(inches)
最大直径

Minor
Diameter
(inches)
最小直径

Tapping Drill Size
钻孔尺寸
1/16

28

0.0357

0.304

0.2583

Letter
Drill G
(6.6 mm)
1/8

28

0.0357

0.383

0.3372

11/32 in.
(8.73 mm)
1/4

19

0.0526

0.518

0.4546

11.8 mm
(0.4646 in)
3/8

19

0.0526

0.656

0.5886

15.25 mm
(0.6004 in.)
1/2

14

0.0714

0.825

0.7336

3/4 in.
(19.05 mm)
5/8

14

0.0714

0.902

0.8186

21 mm
(0.8268 in.)
3/4

14

0.0714

1.041

0.9496

24.5 mm
(0.9646 in.)
7/8

14

0.0714

1.189

1.0976

1.1122 in.
1

11

0.0909

1.309

1.1926

30.75 mm
(1.2106 in.)
1英寸=25.4毫米
Welcome to BW tool world! We are an experienced tool maker specialized in cutting tools. We focus on what you need and endeavor to research the best cutter to satisfy users’ demand. Our customers involve wide range of industries, like mold & die, aerospace, electronic, machinery, ,,,etc. We are professional expert in cutting field. We would like to solve every problem from you. Please feel free to contact us, it’s our pleasure to serve for you. BW product including: utting tool、HSS Cutting tool、Carbide end mills、Carbide cutting tool、NAS Cutting tool、Carbide end mill、Aerospace cutting tool、Carbide drill、High speed steel、Milling cutter、Core drill、Taperd end mills、Metric end mills、Miniature end mills、Pilot reamer、Electronics cutter、Step drill、Metal cutting saw、Double margin drill、Gun barrel、Angle milling cutter、Carbide burrs、Carbide tipped cutter、Chamfering tool、IC card engraving cutter、Side cutter、NAS tool、DIN tool、Special tool、Metal slitting saws、Shell end mills、Side and face milling cutters、Side chip clearance saws、Long end mills、Stub roughing end mills、Dovetail milling cutters、Carbide slot drills、Carbide torus cutters、Angeled carbide end mills、Carbide torus cutters、Carbide ball-noseed slot drills、Mould cutter、Tool manufacturer.
Bewise Inc. www.tool-tool.com