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Preamer Shank Combined Screw Tapping Review

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🔩 Screws, 🔩 Fasteners

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Description of Preamer Shank Combined Screw Tapping

Combination Drill and Tap Bit Set Hex Shank Spiral Flute Tapping. Each one is a combination of a twist drill bit and a tap. The point is the same as a twist drill bit, which is self-centering.So you don't have to buy a centering drill bit or a center punch. Now you can drill and tap at the same time in one operation. Just drill until the drill section fully enters the material, then the tapping will start to occur. Suitable for soft metal tapping, such as aluminum plate, thickness of less than 3--4mm.

Reviews

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Type of review

Revainrating 5 out of 5

excellent 4 electricians and do-it-yourselfers

These combination drills are indispensable for drilling and tapping. Use them in electrical boxes, service panels, outlets, etc. They used 4 light metals: steel, iron, aluminum, and the like. It's a great and elegant invention. They have electrical threads and a machinist. You have a handy drill bag or tool kit. Well 4 professionals and contractors tradeswomen repair/install electromechanical equipment HVAC TECHS. All service staff.

Pros
  • GOLS certified
Cons
  • Only available in black