?♂Top Quality：Made from high speed steel,after professional heat treatment,HRC48~50,ensuring its high hardness and high concentricity.
?♂Size：Packaged with 4 different size for your choose, 1/4″(6.4mm), 5/16″(8mm), 3/8″(9.5mm), 1/2″(12.7mm). These long square drill bits set can meet most of your needs, and each drills packed in a single plastic case, easy to maintain.
?♂Efficient and labor-saving: Our woodworking squre drill bit all designed with long drill core and square chisel,easy to lock the hole on the wood, then you can get different mortisers quickly.
?♂Widely Application: Great for drilling square holes in wood with a mortising machine or a mortising attachment.Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects.
- Material: High-Speed Steel.
- Hardness: 56HRC.
- Clamping shank diameter:
1/4 INCH (6.4MM)
3/8 INCH (9.5MM)
9/16 INCH (14MM)
5/8 INCH (16MM)
- Middle terrible diameter: Total length: 19.5 cm / 7.68 in; Diameter: 6.8 mm / 0.27 in
- Square hole drill cannot be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination.
- TYPE1: 1/4 INCH (6.4MM) + 3/8 INCH (9.5MM).
- TYPE2: 1/4 INCH (6.4MM) + 3/8 INCH (9.5MM) + 9/16 INCH (14MM).
- TYPE3: 1/4 INCH (6.4MM) + 3/8 INCH (9.5MM) + 9/16 INCH (14MM) + 5/8 INCH (16MM) .
1/2(12.7mm), 1/4(6.4mm), 1/4(6mm) +3/8(9.5mm), 1/4(6mm) +3/8(9.5mm) +9/16(14mm), 1/4(6mm) +3/8(9.5mm) +9/16(14mm) +5/8(16mm), 3/8(9.5mm), 5/16(8mm)
Shipping policy for our store
This shipping method is the fastest available. Delivery times are between 10 - 15 days to all major destinations. Shipping costs vary with item, but all orders that use expedited shipping will receive a 36% discount on shipping costs.We also have Expedited options available for most items, which means your order will arrive 3 or 4 business days after it leaves the warehouse.
- Most order ship within 24 - 48 hours. After execute an order, we will send tracking number by e-mail, and providing inquiry addresses.
- Usually all orders are processed and shipped within 24 - 48 hours. Delivery times are between 15 days.
- We can ship to your country.we can ship single item samples or large orders to more than 100 countries.
- 30 days money back guaranty
- 24/7 live support