Description:
1: 100% brand new and high quality.
2: Purpose: suitable for low hardness of the workpiece, such as wood.
3: During use, cutting edges can better chip evacuation, the cutting edges is not easy to blunt!
4: Use for home and industrial.
Specification:
Type: Countersink Drill Bit
Material: High Speed Steel
Degrees: 90
Flute: 3
6pcs (set) including :
6.3mm: Head diameter 1/4" (6.3mm), shank diameter 3/16" (5mm), total length 1-3/4" (45mm);
8.3mm: Head diameter 5/16" (8.3mm), shank diameter 1/4" (6mm), total length 2" (50mm);
10.4mm: Head diameter 7/16" (10.4mm), shank diameter 1/4" (6mm), total length 2" (50mm);
12.4mm: Head diameter 1/2" (12.4mm), shank diameter 5/16" (8mm), total length 2-3/16" (56mm);
16.5mm: Head diameter 5/8" (16.5mm), shank diameter 3/8" (10mm), total length 2-3/8" (60mm);
20.5mm: Head diameter 13/16" (20.5mm), shank diameter 3/8" (10mm), total length 2-1/2" (63mm);
Size Including:6.3mm 8.3mm 10.4mm 12.4mm 16.5mm 20.5mm
Application: It is suitable for use in the work-piece which the hardness is under 25 degrees, such as aluminum sheet, thin iron plate, the insulatuing board or PVC board.
Package Including:
6pcs Countersink Drill Bit