A&S TOOLSHOP 1pc 4-12/20/32mm HSS Titanium Coated Step Drill Bit, Drilling
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escription:*1. Material: HSS Steel*2. Color: Gold*3. Surface Treatment: Titanium Plating*4. Size (approx):4-12mm Length: 6.7cm4-20mm Length: 7.4cm4-32mm Length: 10.2cmFeatures:*1. The Drill Type Is Available In Three Sizes Of 4-32mm, 4-20mm, 4-12mm.*2. Suitable For Cutting Holes In Various Materials, Including Steel, Bronze, Aluminum And So On.*3. HSS Step Cone Titanium-plated Drill Hole Punching Knife, Made Of HSS Steel, Hard, Wear-resistant And Durable.*4. The Surface Is Coated With Titanium To Reduce F