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STROTON M42 8?? Cobalt Twist Drill Bits (11mm x 2PCS) for Stainless Steel and Hard Metal
Original price was: £25.92.£21.60Current price is: £21.60.
- Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
- 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.
- This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
- The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
- Includes :M42 Cobalt drill bit 11mm x 2 (length:14.2cm) 135 Degree Split Point
STROTON 11mmx2pcs M42 8% Cobalt Drill Bits
Why choose STROTON cobalt drill bits?
The research shows that HSS with cobalt has a higher temperature resistance and Red hardness, a greater wear resistance(Hardness) and a higher heat treat response than HSS without cobalt .
- Red hardness, it causes the hardened steel to have an ability to maintain hardness at approximately 860-880 ??.
- Higher Tempering resistance,it means to maintain a high hardness at high temperatures for an extended period of time.
- 68-70 HRC,it means that the drill bits has 3X cutting ability and 2X durability.
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M42 Cobalt 8% Alloy
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3 Steps . Design (3X-5X Drilling Efficiency)
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Ideal for Metal and Hardwood
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The drill bit should be perpendicular to the workpiece when used.
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Controling the drill speed from 200 to 1000 RPM would make it easier for you to drill holes on stainless steel.
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Using cutting fluid will make the bit last longer.
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| Metric M42 drill btis(1-10mm/19pcs) | Metric M42 8% Cobalt Drill Bits Independent Packaging of Each Specification | Metric M42 drill btis Titanium Coating(1-10mm/19pcs) | Metric 6% Cobalt Step Drill Bits(4-32mm/15 Steps) | |
| Measurement System | Metric | Metric | Metric | Metric |
| Cobalt | M42 8% | M42 8% | M42 8% | M35 6% |
| Titanium Coated | ? | |||
| Size | 1-10mm 19pcs | Small Package | 1-10mm 19pcs | 4-32mm/15 Steps |
| Ideal for | Stainless Steel,Hard Metals,Aluminum,Plastic and Hardwood | Stainless Steel,Hard Metals,Aluminum,Plastic and Hardwood | Stainless Steel,Hard Metals,Aluminum,Plastic and Hardwood | ??Sheet Metal????Stainless steel , Iron plate, Aluminum,Ducts,Wood,PVC and Plastic |
| Brand | STROTON | STROTON | STROTON | STROTON |
| Type | Right Hand | Right Hand | Right Hand | Right Hand |
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