18 Years Factory Wool Buffing Wheel - Elehand 5PCS Imperial TiN Coated Step Drill Set with Aluminum Case – MACHINERY TOOLS

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, wood and other materials.
4. Convenient & Accurate – Diameters of the steps are laser marked for quick reference, which saves you time and makes your work more efficient.
5. Easy to Storage – Comes with an aluminum storage case so step drill bits are easily accessed and organized, convenient to keep and protect the bits in shipment.

Details

Specification:
5 PCS Elehand Metric Step Drill Bits
An Aluminum Case

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 are available)

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

Types of Shank:
3-sided Shank (Round 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 are available)

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

Step Drill Bits Sizes:
3/16″-1/2″ – 6 Steps: 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, 1/2″
1/8″-1/2″ – 13 Steps: 1/8″, 5/32″, 3/16″, 7/32″, 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 13/32″, 7/16″, 15/32″, 1/2″
1/4″-3/4″ – 9 Steps: 1/4″, 5/16″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″
3/16″-7/8″ – 12 Steps: 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″, 13/16″, 7/8″
1/4″-1-3/8″ – 10 Steps: 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″, 1″, 1-1/8″, 1-1/4″, 1-3/8″

Shank Diameter:
3/16″-1/2″: 6mm
1/8″-1/2″: 6mm
1/4″-3/4″: 9mm
3/16″-7/8″: 9mm
1/4″-1-3/8″ 9mm

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 bit.

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.