4pcs Woodworking Square Drill Bits Set Wood Mortising Chisel Countersink Bits Woodworker Tool Kits,Default NO5238

1. High hardness, high performance and durable edges.

2. Standard chip removal groove design facilitates the removal of sawdust and improves drilling efficiency.

3. Material: durable steel, long service life.

4. High working efficiency: With long drill core and square chisel, easy to lock the hole on the wood, then you can get different mortisers quickly. Also, it is labor saving.

5. Available application: Suitable for drilling square holes in wood with a mortising machine or a mortising attachment. Also, it fit for electric drill, hammer and other tools.

Specification:

1/4 inch (6mm), 135g

5/16 inch (8mm), 140g

3/8 inch (9.5mm), 160g

1/2 inch (12.7mm), 215g

Total weight: 650 grams

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