Bosch
⏳Price
$133.99
Square Hole Drill Bit Sets, Woodworking HSS Wood Mortising Chisel Countersink Bits Hole Mortise Drill Bit Set for Carpenter, 6.4mm/8mm/9.5mm/10mm/11mm/12.7mm/14mm/16mm (7PCS)
★★★★★
$133.99
Quantity
1
Worldwide shipping
Fast tracked delivery
30-day returns
Hassle-free returns
Secure checkout
Safe & protected
Great service
Thousands of happy customers
About this item
- Drills precise holes with little pressure: Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you can play a square hole to meet the requirements: 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 2/5 Inch (10mm), 7/16 Inch (11mm), 1/2 Inch (12.7mm), 9/16 Inch (14mm), 5/8 Inch (16mm)
- High Efficiency and Labor Saving: square wood chisel drill bits with standard chip design, easy to remove the side of wood chips, improve drilling efficiency. Reduces the labor intensity of construction workers, accelerates construction speed, reduces construction costs for construction, installation, renovation, decoration.
- MATERIAL: This square mortising chisel set is made of special steel, heat treatment, HRC48-50, offers high hardness, lengthened core, and high concentricity.
- Fit Machine: 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.
- DESIGNED: Professional 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.
Product description
Specification: Material: high-speed steel Special steel, heat treatment, HRC48~50, high hardness, lengthened core, high concentricity. Size: 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 2/5 Inch (10mm), 7/16 Inch (11mm), 1/2 Inch (12.7mm), 9/16 Inch (14mm), 5/8 Inch (16mm) Hardness: Up to HRC48~50 Slotting flute diameter Total weight 1/4"(6.4mm) approx 115g 5/16"(8mm) approx 140g 3/8"(9.5mm) approx 170g 2/5 Inch (10mm) approx 180g 7/16"(11mm) approx 190g 1/2"(12.7mm) approx 210g 9/16 Inch (14mm) approx 225g 5/8 Inch (16mm) approx 235g Shaft length (Drilling depth): 1/4"(6.4mm): 47mm 5/16"(8mm): 51mm 3/8"(9.5mm): 54mm 2/5" (10mm): 54mm 7/16 Inch (11mm): 60mm 1/2"(12.7mm): 75mm 9/16"(14mm): 75mm 5/8"(16mm): 75mm
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
You might also like
