7pcs Steel 5 Flute Countersink Drill Bit 3mm-10mm w/ Hex Key

7pcs Steel 5 Flute Countersink Drill Bit 3mm-10mm w/ Hex Key Description

1、Drill bit is made from carbon steel and countersink is made from good quality 45# steel which ensures a long service life 2、Combined drill bit and countersink bit is great for drilling, chamfering, deburring and countersinking 3、There are 7 sizes of 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm that meet you various need 4、Five flutes design provides small chip loads and quicker removal, it can discharge wood sawdust more rapidly and smoothly 5、Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material
Features:
Drill bit is made from carbon steel and countersink is made from good quality 45# steel which ensures a long service life.
Combined drill bit and countersink bit is great for drilling, chamfering, deburring and countersinking.
There are 7 sizes of 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm that meet you various need.
Five flutes design provides small chip loads and quicker removal, it can discharge wood sawdust more rapidly and smoothly.
Suitable for drilling holes on board of low hardness such as wood, plastic and other soft material.
Specifications:
Material: Carbon steel(drill bit), 45# steel(countersink)
Countersink Flute: 5
Drill Bit Size (Cutting Edge Diameter*Length):
3*60mm, 4*75mm, 5*85mm, 6*93mm, 7*100mm, 8*110mm, 10*120mm
Countersink Diameter: 15.8mm
Hex Key Size: 55 x 20mm
Package Includes:
7 x Countersink Drill Bits
1 x Hex Key