4 pcs Chisel Set Square Hole Drill Bits, Steel Hollow Chisel Woodworking Tools Set (1/4-1/2-5/16-3/8 Inch)
Product ID: TR-DZ-003508
A$57.95
In stock (checked 1 Nov 2026)
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Details
Professional design ideal for drilling square holes in wood with a mortiser.
Fits all machines and drill attachments.
The square hole drill bit is mainly used in the woodworking field.
Material and size: Made of high speed steel
Heat treatment, HRC48~50, high hardness, elongated center, high concentricity; 4 sizes 1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.5mm), 1/2" (12.7mm).
Why choose this item: Reduces the labor intensity of construction workers while accelerating the work speed and reducing costs
Perfect for the construction, renovation and decoration industries.
Package Contents: 1pc 1/4" (6.35mm), 1pc 5/16" (7.94mm), 1pc 3/8" (9.5mm), 1pc 1/2" (12.7mm), Note: The punch square needs to use a drill, hammer or other tools
(None of these are included)..