Description
- ✅[Specifications] Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects.
- ✅[Parameters] Clamping shank diameter: 19mm, shank type: round handle, slot diameter: 1/4"(6.35mm), 5/16"(7.94mm), 3/8"(9.5mm), 1/2"(12.7mm).
- ✅[Wide application] Professional drill bit, suitable for construction, installation, renovation, decoration industry, etc.
- ✅[Material] Made of high-speed steel. Heat treatment. HRC48 - 50. Offers high hardness, lengthened core, and high concentricity.
- ✅[Premium Quality&Service] 100% Brand new and High quality. All our products are extensively tested to comply with rigorous and strict QC standards. We offer a 60-day refund guarantee.
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4PCS High Speed Steel Woodworking Square Hole Mortise Drill Bit Set Chisel Drill Bits Adjustable Mortising Chisel Woodworking Tool Gift for Carpenter