Johnson Tools Manufactory Co.,Ltd
Johnson Tools Manufactory Co.,Ltd. Excellent Performance, Your Best choice!
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| Product Name |
6pcs Automatic Center Punch Spiral Titanium Hss Step Drill Bit Set
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| Size |
6Steps: 3/16-1/2''(3/16,1/4,5/16,3/8,7/16,1/2)
8Steps:1/4-3/4''(1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4)
9Steps:1/4-1-3/8''(1/4,3/8,1/2,5/8,3/4,7/8,1,1-1/8,1-1/4,1-3/8)
12Steps:1/8-1/2''(1/8,5/32.7/32.1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/32,1/2)
12Steps:3/16-7/8''(3/16,1/4,5/16,3/8,7/16,1/2,9/16,5/8, 11/16,3/4,13/16,7/8)
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| Conection |
Hex Shank
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| Material |
HSS 4241
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| Finishing |
Titanium Coated
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| Application |
Metal, Aluminum, Wood drilling
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| Features |
1. Strong Durability: coated by titanium, the bits have strong durability. This step drill set performs well in heat, corrosion and rust resistance.
2. Premium HSS Material: High-speed steel construction for longer cutting edge life even at extreme temperatures.
3. Automatic Center Punch: Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force
4. Wide Usages: Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper,stainless steel and many other types of sheet metal.
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