Saiper 4pcs Square Hole Drill Bits Mortising Chisel Set Woodworking Mortise Chisel Square Drill Bit Set (1/4" 5/16" 3/8" 1/2")








Key features
- •【4pcs Square Drill Bits】 This kit can meet your different needs with size: 1/4 Inch (6.35mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm)
- •【High Hardness】 Made of high speed steel with sharp-edged square chisel. Heat treatment, HRC48~50, lengthened core, high concentricity
- •【High Working Efficiency】 A one-time processing of a square hole, and crushed wood chips discharge from the tube, keep the edges are straight and clean
- •【Flute Design】 With long drill core and square chisel, easy to lock the hole on the wood, then you can get different mortisers quickly
- •【Woodworking Set】 Great for drilling square holes in wood with a mortising machine or a mortising attachment. Fits all mortising machines and drill press attachments (Please note can not be used on an electric drill)
Saiper 4pcs Square Hole Drill Bits Mortising Chisel Set Woodworking Mortise Chisel Square Drill Bit Set (1/4" 5/16" 3/8" 1/2")
List Price: $55.85$50.27DEALYou Save: $5.58 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 22, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection







