Step Drill Bit Titanium Coated High Speed Steel for Sheet Metal Hole Drilling Cutting

Short Description:

1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm.

2. 135° Split Point Tip: increases cutting speed with self-centering and the drills do not run off center.

3. A variety of hole diameters can be drilled using only one tool.

4. The dimension of drilled hole is exact.

5. Two Flute Design: provides longer life and better chip removal.

6. The Spiral Groove: creates better, less noise, less force has to be used.

7. Only for rotary use.

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Product Detail

Product Tags

Key Details

Material	HSS4241 / HSS4341 / HSS6542 (M2) / HSS Co5% (M35)
Shank	Hex Shank(Quick Change Straight Shank, Round Shank, Double R Shank are Available)
Groove type	Straight Groove
Surface	Bright (Black, TIN & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
Usage	Wood / Plastic / Aluminum / Mild steel / Stainless Steel
Customized	OEM, ODM
Package	Can be customized
MOQ	500pcs/size
Features	1. Special structure coating with better self lubricating capability and supernal wear resistance, cutting life is longer. 2. Advanced flute with optimal chip evacuation and cutter rigidity. 3. Our products have OEM services, can be customized twist drill color, material, handle, point Angle, you can mark your brand on twist drill.

Product Description

Our step drill bit set includes 3pcs individual drill bits, 28 Size. 1/8"- 1/2", 3/16"- 1/2", 1/4"- 3/4". Split point tip design provides faster and smoother cutting, increase the wear resistance. HSS along with titanium coating ensures the stepped drill bits stay sharp for years, perfect to drill holes on plastic, wood, sheet metal, steel and other surfaces, Suitable for home DIY lovers.

Drillingrange/MM	Total length	Steps	Shank	3-2).ANSI step drill
				Drilling range /MM Steps Shank
3-12	65	10	6	1/8"-1/2"	7	1/4”
3-14	65	13	6	1/8"-1/2"	13	1/4"
4-12	65	5	6	1/8"-3/8"	5	1/4”
4-12	65	9	6	1/4“-3/4”	9	3/8”
4-20	75	9	8	1/4"-7/8'	11	3/8”
4-22	72	10	8	1/4"-1-3/8"	10	3/8"
4-24	76	11	8	3/16"-1/2"	6	1/4”
4-30	100	14	10	3/16"-9/16"	7	1/4"
4-32	89	15	10	3/16"-7/8"	12	3/8”
4-39	107	13	10	9/16"-1"	8	3/8"
5-35	78	13	13	13/16"-1/3/8"	10	1/2"
6-18	70	7	8	Other size are available
6-20	72	8	8
6-30	93	13	10
6-35	78	13	13
6-36	86	10	12
6-38	100	12	10
10-20	77	11	9
14-24	78	6	10
20-30	82	11	12
Other size are available