Product Details
Place of Origin: JIANG SU CHINA
Brand Name: Starry
Certification: ISO9000
Model Number: 6mm
Payment & Shipping Terms
Minimum Order Quantity: 300Pcs
Packaging Details: plastic box,pvc bags,Single piece with blister card package
Delivery Time: 30-45days
Payment Terms: T/T, L/C
Supply Ability: 3000000pcs per mouth
Product Name: |
HSS Step Drill Bit |
Material: |
HSS4341 ,M2, |
Standard: |
DIN 338 |
Process: |
Straight Shank |
Hardness: |
HRC65-67 |
Surface Finished: |
Amber /black |
Application: |
Taper Shank Drill Bits |
Product Name: |
HSS Step Drill Bit |
Material: |
HSS4341 ,M2, |
Standard: |
DIN 338 |
Process: |
Straight Shank |
Hardness: |
HRC65-67 |
Surface Finished: |
Amber /black |
Application: |
Taper Shank Drill Bits |
Amber / Black Metal Drilling HRC65-67 Fully Ground HSS Drill Bit
HSS Twist Drill Bits Description:
Manufactured from HSS4341 , M2,steel, with molybdenum and cobalt added to creates a hardened alloy, measuring
Rockwell hardness up to 67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when
compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering and penetrate
quickly with less pressure. Will not "walk" or "wander" Extremely heat resistant; must be used and operated at 1500 RPM or greater
for maximum efficiency. Straight shank allows for firmly holding and accurate centering,
Detail:
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Product Name
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HSS Center Drill Bit
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Material
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M2,HSS4341
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Color
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Black,,Amber. Color,Tin Coated or as your requirement
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Process
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Fully Ground,Half Ground,Milled,Roll Forged
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OEM Brand
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OEM Brand
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Angle
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118° Or 135 °
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Used
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Deep Hole Working For Metal
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Hss cobalt drill bits List :
| Size | Limit | Overall Len | Thread Len | Size Code |
| M1.6x0.35 | 6h | 40 | 8 | 1 |
| M1.7x0.35 | 6h | 40 | 8 | 2 |
| M2.2x0.45 | 6h | 50 | 9 | 5 |
| M2.6x0.45 | 6h | 50 | 9 | 7 |
| M6x1 | 6h | 80 | 19 | 14 |
| M7x1 | 6h | 80 | 19 | 15 |
| M8x1.25 | 6h | 90 | 22 | 16 |
| M9x1.25 | 6h | 90 | 22 | 17 |
| M10x1.5 | 6h | 100 | 24 | 18 |
Application
it fit for standard drill chucks and regular round collet chucks Manufactured with all kinds of drill bit for metal
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