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.
- Product Details
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Quick Details
-
Place of Origin:
-
Jiangsu, China
-
Brand Name:
-
Coinch
-
Model Number:
-
ct
-
Product name:
-
Step Drill
-
Material:
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4241/4341/M2/M42/M35
-
Process:
-
Fully Ground
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Standard:
-
ANSI Standard/DIN standard
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Surface Finish:
-
Coated Tin
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Shank:
-
Straight Shank
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Size:
-
4-12mm/4-20mm/4-39mm
-
Package:
-
White box plastic box /as you need
-
Suitable for:
-
Metal /Stainless /Aluminium /wood
-
MOQ:
-
1pcs
Quick Details
-
Type:
-
step drill bit
-
Use:
-
Metal Drilling
-
Finish:
-
Other
-
Place of Origin:
-
Jiangsu, China
-
Brand Name:
-
Coinch
-
Model Number:
-
ct
-
Product name:
-
Step Drill
-
Material:
-
4241/4341/M2/M42/M35
-
Process:
-
Fully Ground
-
Standard:
-
ANSI Standard/DIN standard
-
Surface Finish:
-
Coated Tin
-
Shank:
-
Straight Shank
-
Size:
-
4-12mm/4-20mm/4-39mm
-
Package:
-
White box plastic box /as you need
-
Suitable for:
-
Metal /Stainless /Aluminium /wood
-
MOQ:
-
1pcs
Product Overview
HSS Step Drill Bit Set 4-12mm/4-20mm/ 4-32mm Triangle Shank Hole Nitrogen High Speed Steel Spiral Hex Core Drill Bits
Size:
3-13mm, 4-12mm, 4-20mm, 4-22mm, 4-32mm, 6-35mm
Flute:
Straight Flute, Spiral Flute
Shank:
Triangle Shank, Hex Shank
Application:
wood, plastic, slim iron, slim aluminum.
FEATURES AT A GLANCE
Features
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Product name
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Step Drill For Metal And Stainless
|
|
Material
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HSS (Cobalt M35 is Available)
|
|
Standard
|
DIN Standard/ANSI Standard
|
|
Flute Type
|
Straight Flute (Sprial Flute is Available)
|
|
Size
|
4-12mm, 4-20mm, 4-32mm,4-39mm (Inch Size is Available)
|
|
Surface
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Bright (Black, TIN & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available)
|
|
Shank Type
|
Hex Shank(Quick Change Straight Shank , Round Shank, Double R Shank are Available)
|
|
Helix Angle
|
Regular Spiral Type N
|
|
Web & Flute Type
|
Regular Web & Flute
|
Company Introduction
Our Services & Strength
Our company have 20 years experience in high speed steel and tools and have one hundred and fifty workers.Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction.
Factory Introduction
Quality Inspection
Exhibition Photos
FAQ
Q: Are you trading company or manufacturer ?
A: We are trading company with closed cooperation factory .
Q: How long is your delivery time?
A: Generally it is 30-90 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the small sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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