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絲攻選購一問
Apr 15th 2014, 09:17

A:S304不銹鋼材質。一般常用為粗牙,
英製:1/4W 和 公製 6*1.0

2.我要攻牙前鑽的洞需要多大? 白鐵 鐵 鋁 <--常用
A:鑽孔6.9mm,即可。

3.還有請問我要攻白鐵該選何種絲攻?
A:三種都可以。只是絲攻有鍍層的會比較硬,較不易斷。不銹鋼比較"刃"。

4.這三種絲攻有什麼不同?
A:簡單回答,盲孔用螺紋的,通孔用尖端的。

5.請問 2溝 3溝 (沒記錯這樣念的話)差在哪?
A:簡單回答,排屑。

6.攻牙時要上油嗎?
A:想讓絲攻比較容易斷,是可以不加油的!

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