- Model NO.：4-39MM
- Type：Twist Drill Bit
- Material：High Speed Steel
- Usage：Wood Drilling, Well Drilling, Metal Drilling, Masonry Drilling
- Transport Package：Plastic Box, Blister Card, Wooden Box, Metal Box
- Specification：4-39MM
- Trademark：Sinoabrasives,Nineroars ,OEM
- Origin：China
- HS Code：8207509000
- Production Capacity：50, 000, 000PCS,Year
- Package size per unit product：10.00cm * 10.00cm * 20.00cm
- Gross weight per unit product：2.000kg
Basic Info.
Model NO.
4-39MM
Type
Twist Drill Bit
Material
High Speed Steel
Usage
Wood Drilling, Well Drilling, Metal Drilling, Masonry Drilling
Transport Package
Plastic Box, Blister Card, Wooden Box, Metal Box
Specification
4-39MM
Trademark
Sinoabrasives/Nineroars /OEM
Origin
China
HS Code
8207509000
Production Capacity
50, 000, 000PCS/Year
Packaging & Delivery
Package size per unit product
10.00cm * 10.00cm * 20.00cm
Gross weight per unit product
2.000kg
Product Description
Suitable HSS Grade
| Roll Forged | Suitable HSS Grade:C-6542/D-9341/E-4341/F-4241 |
| Half Ground | Suitable HSS Grade:C-6542/D-9341/E-4341/F-4241 |
| Fully Ground | Suitable HSS Grade:A-M 42/B-M 35/C-6542/D-9341/E-4341 |
| Milled | Suitable HSS Grade:B-M 35/C-6542/D-9341/E-4341/F-4241 |
| Suitable Standard | |
| Roll Forged | (1)DIN338;(2)DIN340;(3)Jobber Length |
| Half Ground | (1)DIN338;(2)DIN340;(3)DIN1897;(4)Jobber Length |
| Fully Ground | (1)DIN338;(2)DIN340;(3)DIN1897;(4)Aircraft Extension;(5)Jobber Length;(6)Taper Length;(7)Screw Machine Length |
| Milled | (1)DIN340;(2)DIN1869;(3)Aircraft Extersion;(4)Extra Length |
Material Appliation Chart| Finish | Range of Applications detalls |
| Black Oxide | Lron,Steel,Stainless Steel,Wood |
| Finish | Range of Applications detalls |
| Bright | Aluminum,Wood |
| ·135°Split-Point for quick penetration and reduced"walking" |
| ·Black oxide finish for added lubricity |
| ·Heavy-duty construction provides additional strength |
| ·118°split-point is self-centering |
| ·For hex or adjustable power tool chucks |
| ·Designed for drilling precise holes in hard and soft wood,plywood,particleboard,plastic and metal |
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