is_customized: Yes
Brand Name: 1 Material: High Speed Steel Use: Metal Drilng
DIY Suppes: Woodworking
Model Number: 22 Type: Center Drill Bit

is_customized:

Yes

Brand Name:

Brand New

Material:

High Speed Steel

Use:

Metal Drilng

DIY Suppes:

Woodworking

Model Number:

SKU186077

Type:

Twist Drill Bit

Product Description

Description:

3pcs Titanium Coated Step Drill Bit Set Quick-change 1/4 Inch Hex Shank

Specification:
Shank:6mm(dia),25mm(L),1/4"
Material:High speed steel 4241
Allow 1-3mm measurement error.
3/16-1/2''

(6 steps) 
3/16''(4.76mm), 1/4''(6.35mm), 5/16''(7.94mm),3/8''(10.35mm),

7/16''(11.11mm),  1/2''(12.7mm)
1/4-3/4''

(9 steps)
1/4''(6.35mm)  5/16''(7.94mm),  3/8''(10.35mm), 7/16''(11.11mm),

1/2''(12.7mm),9/16''(14.28mm), 5/8''(15.88mm), 11/16''(17.46mm), 3/4''(19.05mm)
1/8-1/2''

(13steps)
1/8''(3.18mm), 5/32''(3.97mm), 3/16''(4.76mm), 7/32'',(5.56mm)

1/4''(6.35mm),9/32''(7.14mm), 5/16''(7.94mm),  11/32''(8.73mm), 3/8''(9.53mm), 13/32''(10.32mm),7/16''(11.11mm),15/32''(11.91mm),1/2''(12.7m)
Features:
1, The laer of its unique structure, a bit can open a variety of specifications of aperture.
2, Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.
3, Deburring, chamfering, elptic hole enlargement, twist drill, the function of them  was unable,but it is possible.
4, The use of tools: drill, bench drill.Work while water coong, can effectively extend the service
fe of drill bit, recommend drilng rate of 250-250 RPM.

Package included:
1x Set (3pcs)Hex Titanium Step Drill

Packaging Details
Unit Type: set
Package Weight: 0.140kg (0.31lb.)
Package Size: 15cm x 12cm x 3cm (5.91in x 4.72in x 1.18in)