3 PCS HSS 4241 Steel Step Drills Bit Tool Set Cone Drill Titanium Bit Set Hole

3 PCS HSS 4241 Steel Step Drills Bit Tool Set Cone Drill Titanium Bit Set Hole for Steel Wood Metal Drilling Cutting Tools

Use: Metal Drilling

Material: High Speed Steel

length: 4-12mm/4-20mm/4-32mm

is_customized: Yes

Brand Name: lange

DIY Supplies: Metalworking

Type: Core Drill Bit

Model Number: HSS Steel Step Drills Bit tool

Size: 4-12mm/4-20mm/4-32mm

Material: High Speed Steel

Application: wood plastic auto parts aerospace sheet metalprocessing electr

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drill bit

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3 PCS HSS 4241 Steel Step Drills Bit Tool Set Cone Drill Titanium Bit Set Hole for Steel Wood Metal Drilling Cutting Tools

USAGE SUGGESTION: 

To avoid step drill bits become overheated and get burned up due to fast rotary friction, 
we suggest customers to use cutting fluid to keep the bits cold during usage. 

Step Sizes: 
4-12mm: 5 steps (4mm, 6mm, 8mm, 10mm, 12mm) 
4-20mm: 9 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm) 
4-32mm: 15 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) 

Dimensions(L x W): 
·4-12mm: 2.5 x 0.47 inch 
·4-20mm: 2.9 x 0.78 inch 
·4-32mm: 3.9 x 1.25 inch 

Package Incldes: 
3 x Step Drill Bit or 1Pcs Step Drill Bit