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Special authentic new packaging, Japan imported YAMAWA spiral taps N+SPM3X0.5P1

discount 70% in 2018-09-20 to 2018-09-22
price: USD$ 31.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Reference material:

1 screw tapping accuracy level: YAMAWAP

2 screw tapping material: HSS-E

The number of teeth with 3 cutting edges: 2.5 teeth

4 surface treatment: N-SP (OX) acidification treatment

5 applicable materials:

Low tensile strength below 750N/MM2, low carbon steel, alloy steel, copper, aluminum, magnesium alloy, etc.

Anti - joint strength 600-900N/MM2 medium high carbon steel, alloy steel, bronze and so on