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板牙系列机用丝锥手用丝锥中心钻
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美国标准丝锥
AMERICAN STANDARD TAPS |
美国标准丝锥是按ANSI
B94.9生产制造的。
丝锥为一支一组，公差级别为一级、二级、三级。
The American standard taps manufactured by our
works are in accordance with ANSI B94.9.
Taps are in groups, one tap for each group. The
tolerance range class are class 1,2,3. |
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公制尺寸
Nominal
Size |
全长
Overall Length
mm |
刃部长度
Working Length
mm |
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1/4"-20 |
2-1/2 |
1 |
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5/16"-18 |
2-23/32 |
1-1/8 |
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3/8"-16 |
2-15/16 |
1-1/4 |
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7/16"-14 |
3-5/32 |
1-7/16 |
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1/2"-13 |
3-3/8 |
1-21/32 |
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9/16"-12 |
3-19/32 |
1-21/32 |
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5/8"-11 |
3-13/16 |
1-13/16 |
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3/4"-10 |
4-1/4 |
2 |
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7/8"-9 |
4-11/16 |
2-7/32 |
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1"-8 |
5-1/8 |
2-1/2 |
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1-1/8"-7 |
5-7/16 |
2-9/16 |
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1-1/4"-7 |
5-3/4 |
2-9/16 |
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1-3/8"-6 |
6-1/16 |
3 |
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1-1/2"-6 |
6-3/8 |
3 |
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公制尺寸
Nominal
Size |
全长
Overall Length
mm |
刃部长度
Working Length
mm |
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1/4"-28 |
2-1/2 |
1 |
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5/16"-24 |
2-23/32 |
1-1/8 |
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3/8"-24 |
2-15/16 |
1-1/4 |
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7/16"-20 |
3-5/32 |
1-7/16 |
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1/2"-20 |
3-3/8 |
1-21/32 |
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9/16"-18 |
3-19/32 |
1-21/32 |
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5/8"-18 |
3-13/16 |
1-13/32 |
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3/4"-16 |
4-1/4 |
2 |
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7/8"-14 |
4-11/16 |
2-7/32 |
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1"-12 |
5-11/18 |
2-1/2 |
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1-1/8"-12 |
5-7/16 |
2-9/16 |
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1-1/4"-12 |
5-3/4 |
2-9/16 |
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1-3/8"-12 |
6-1/16 |
3 |
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1-1/2"-6 |
6-3/8 |
3 |
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企业邮箱登陆
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Email address here please |
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机用丝锥用于在机床上加工通孔的内螺纹，刃部由高速钢制成，螺纹经过磨制。 |
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板牙适用于外螺纹加工，采用合金工具钢，几何精度高，切削性能好。 |
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复合中心钻适用于一次钻成带护锥60°的中心孔，材料为高速钢。 |
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