Manufactur standard Twist Drill Bit Set - Elehand Metric Step Drill Bit Titanium plating – MACHINERY TOOLS

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Manufactur standard Twist Drill Bit Set - Elehand Metric Step Drill Bit Titanium plating – MACHINERY TOOLS Detail:

Feature

1. Extreme Hard and Durable – High speed steel makes it provide a longer service life than others.
2. Revolutionary Flute Design – Making it clean and remove ships easily.
3. Universal Use – Making perfect holes in stainless steel, copper, aluminium, plastics and wood materials.
4. Convenient & Accurate – Diameters of the steps are laser marked for quick reference, which saves you time and makes your work more efficient.

Details

Specification:
Elehand Metric Step Drill Bit

Types of Flutes:
2 Straight Flutes, 2 Spiral Flutes, 3 Straight Flutes, 3 Spiral Flutes, 4 Spiral Flutes
Flute with Stop, Flute with Deburring Gap, Flute with Exchangeable Tip

Material (HSS):
4241, 4341, 9341, 6542(M2), M35, M42

Types of Shank:
Round Shank, 3-sided Shank, 1/4″ Hex Shank(one piece), 1/4″ Hex Shank 6.35*27mm, 3/8″ Hex Shank 9.5mm, Hex Shank R Gap, SDS Plus Shank

Types of Finish:
Bright Surface, Nitrided Coating, TiN Coating, Amber and Black, Cobalt Coating, Blue Coating, Aluminun Oxynitride

Metric Size Table:

Size (mm)	Steps (mm)	Dia. of shank (mm)	Dia. of cutters (mm)
3-12	10	6	3,4,5,6,7,8,9,10,11,12
3-13	11	6	3,4,5,6,7,8,9,10,11,12,13
3-14	12	6	3,4,5,6,7 ,8,9,10,11,12,13,14
4-12	5	6	4,6,8,10,12
4-12	9	6	4,5,6,7,8,9,10,11,12
4-20	9	8	4,6,8,10,12,14,16,18,20
4-22	10	8	4,6,8,10,12,14,16,18,20,22
4-24	11	8	4,6,8,10,12,14,16,18,20,22,24
4-30	14	10	4,6,8,10,12,14,16,18,20,22,24,26,28,30
4-32	15	10	4,6,8,10,12,14,16,18,20,22,24,26,28,30,32
4-39	13	10	4,6,9,12,15,18,21,24,27,30,33,36,39
4-39	14	10	4,6,8,10,12,15,18,21,24,27,30,33,36,39
4-40	19	12	4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40
4-47	14	12	4,7,10,13,16,20,23,26,30,33,36,40,43,47
5-28	7	10	5,8.12.16.20.24.28
5-35	13	10	5,7.5,10,13,16,19,21,23,26,29,31,33,35
5-38	14	10	5,7.5,10,13,16,19,21,23,26,29,31,33,35,38
5-65	13	12	5,10,15,20,25,30,35,40,45,50,55,60,65
6-18	7	8	6,8,10,12,14,16,18
6-20	8	8	6,8,10,12,14,16,18,20
6-24	10	8	6,8,10,12,14,16,18,20,22,24
6-25	10	8	6,8,10,12,14,16,18,20,22,25
6-25	7	8	6,9,12,16,20,22.5,25
6-30	13	10	6,8,10,12,14,16,18,20,22,24,26,28,30
6-30.5	10	10	6,9,12.7,15.2,18.6,20.4,22.5,25.5,28.3,30.5
6-32	8	10	6,10,14,18,22,26,29,32
6-32	9	10	6,9,12,16,20,22.5,25, 28.5,32
6-35	13	10	6,8,10,13,16,18,20,22,25,28,30,32,35
6-36	11	10	6,9,12,15,18,21,24,27,30,33,36
6-37	12	10	6,9,12,15,18,21,23,26,29,32,35,37
6-37	12	10	6,9,12.5, 15.2,18.6,20.4,22.5,26,28.3,30.5,34,37
6-38	12	10	6,9,13,16,19,21,23,26,29,32,35,38
6-40	16	12	6,11,17,23,29,30,31,32,33,34,35,36,37.38.39.40
6-42	13	12	6,9,12,15,18,21,24,27,30,33,36,39,42,
6-60	12	13	6,10,15,20,25,30,35,40,45,50,55, 60
7-40.5	13	12	7,10.5,12.5,14.5,16.5,18.5,20.5,23.5,26.5,30.5,32.5,38.5,40.5
8-38	11	10	8,13,16,19,21,23,26,29,32,35,38
9-36	10	10	9,12,15,18,21,24,27,30,33,36
10-20	11	8	10,11,12,13,14,15,16,17,18,19,20
10-45	8	12	10,15,20,25,30,35,40,45
12-20	9	8	12,13,14,15,16,17,18,19,20
13-38	10	10	13,16,19,21,23,26,29,32,35,38
14-24	6	8	14,16,18,20,22,24
14-25	7	8	14,16,18,20,22,24,25
20-30	11	10	20,21,22,23,24,25,26,27,28,29,30
20-34	8	10	20,22,24,26,28,30,32,34
30-40	11	12	30,31,32,33,34,35,36,37,38,39,40
40-50	11	12	40,41,42,43,44,45,46,47,48,49,50
50-60	11	12	50,51,52,53,54,55,56,57,58,59,60

Application

Step drill bits are ideal for sheet metal working and are suitable for cutting thin metals up to a thickness of 4.0 mm. You can drill multiple sized holes and deburr in one step with the step drill.

WHY CHOOSE US?

1. Cost-effective-Manufacturers produce and sell independently.
2. On-time delivery-Fully equipped, multi-professional machines are processed in the factory for the whole order process.
3. Reliable quality-Careful selection of raw materials, incoming quality control, reliable quality of products.
4. Customization accept-OEM/OBM/ODM
5. Sample-Available.
6. Professional R & D team-New products developed regularly.
7. State-owned enterprise-Reliable credit and abundant capital.

Payment Terms	L/C, Western Union, D/P, D/A
Lead Time	≤1000 45days ≤3000 60days ≤10000 90days
Modes of Transport	Sea Freight, Air Freight
Sample	Available
Remark	OEM

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