8pcs 1/2 Inch Round Shank HSS Twist Drill Bit Set

 

Material: HSS (High Speed Steel)

Twist Drill Bit Length: Approx. 15cm/ 5.9"

Round Shank Diameter: Approx. 12.7mm/ 1/2"

Twist Flute Length: Approx. 8cm/ 3.15"

Flutes Diameter: 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1"

Quantity: 8pcs/set

 

For general using drilling in wood, aluminum, malleable iron, plastic etc.

Material for high-speed steel 4241, higher wear resistance, toughness and bending resistance.

Increase the groove, chip more smoothly, drilling fast.

Sharp head, through a special grinding edge, to speed up the punching speed.

Full grinding process, the surface is more smooth, more smooth groove, processed products less burr.

 

1 x 9/16" Twist Drill Bit

1 x 5/8" Twist Drill Bit

1 x 11/16" Twist Drill Bit

1 x 3/4" Twist Drill Bit

1 x 13/16" Twist Drill Bit

1 x 7/8" Twist Drill Bit

1 x 15/16" Twist Drill Bit

1 x 1" Twist Drill Bit

 

1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.

2. The color may have different as the difference display, pls understand.