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4pcs Square Hole Drill Bits Olatool Mortising Chisel Woodworking Set 1/4" 5/16" 3/8" 1/2" Wood Mortise Chisel & Bit Set with Twist Drill
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
About 4pcs Square Hole Drill Bits Olatool Mortising
Features: These 4 square hole drill bits come with plastic tube box respectively for avoiding any possible harm or damage during transportation. ▲▲ The hole drill bit will bring double effect using on the mortise machine or with a wood mortising attachment on the drill press. Or you will need an electric drill to drill a round hole firstly with the wrist drill and then use the square drill bush to cut the square hole. ▲▲Please note that the drill bit can not use on electric drill o regular drill press directly. Please check before purchasing. To avoid drill bits become overheated and get burned up due to fast rotary friction, we suggest use cutting fluid to keep the bits cold during usage. Should not drill the hole at once, up and down several times can make sure the excretion of wood crumbs. ▲▲Any question about the usage, please contact us, we will give the professional instruction. Specifications: Material: HSS(high-speed steel) HRC 48-50 1/4" (6.4mm), length: 168mm, net weight: 110g 5/16" (8.0mm), length: 208mm, net weight: 150g 3/8" (9.5mm), length: 210mm, net weight: 170g 1/2" (12.7mm), length: 208mm, net weight: 220g Package includes: 1x 1/4" square hole drill bit 1x 5/16" square hole drill bit 1x 3/8" square hole drill bit 1x 1/2" square hole drill bit Service: Any problem about this purchasing please contact our seller firstly for the solution professional.
