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Product Description

Finished with fine polishment, these square drill bits come with no burrs to provide you a smooth drilling experience.
Specifications
Material | High Speed Steel(HSS) |
Hardness | Up to HRC48~50 |
Shape of Hole | Square, Rectangle |
Notice | Square hole drill needs to cooperate with square hole drill machine (mortise and tenon) use and can not use with hand-operated electric drill |
Product Details

Core-Bit
Made of high-speed steel, with high hardness up to HRC48 - 50, durable and practical, being heat treatment for a long-term use.

U-Shape Chip Groove
U-shaped groove discharging sawdust design facilitates the discharge of wood chip to improve drilling efficiency.

Drill Sleeve
Four sharp forced points of the drill sleeve are in a plane, which can eff.
Ectively avoid the sitiation of bursting.

Round Drill Tail
High speed steel woodworking hole saw mortise chisel bit set.
Making the clamping more stable.
Package Included
You will get 7 different sizes mortise chisel drill bit 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm), 9/16 Inch (14mm), 5/8"(16mm), 3/4 Inch (19mm). They can meet your different ordinary need. Each drill is packed in a single plastic case, easy to maintain.

Wide Application
ATPEAM 7 Pieces Woodworking Square Hole Mortise Bit is suitable for mortising machine or mortising accessories, ideal for installation, decoration and other industries.

$15.99 $15.99
$ 7 .99 $7.99
$38.99 $38.99
$ 20 .99 $20.99
$9.99 $9.99
$ 4 .99 $4.99