Titanium Coated High Speed Steel Step Drill Bit Set with Automatic Center Punch- Unibit, Two-Side Cutting Blades Stepped Drill Bits Set of 5 pcs, Total 50 Sizes with Aluminum Case
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- Step drill can be used in drill metal, steel, aluminum, copper, wood and plastic countersunk upto 3/4" thick or mor
- High speed steel and titanium coating will be durable and and shar
- Suit for DIY and general home building engineering projec
- All in one aluminum case for easy storage and organizing
- The drill bits set includes 5 common sizes drill, 1 automatic center punch - unibit, 1 aluminium alloy box