GOONSDS Cobalt Drill Bit, M35 HSS Metal Drill Bits for Steel, Stainless Steel, Hard Metal, Cast Iron 5Pcs,Diameter: 7.8mm

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SKU:
ZD94605
UPC:
3643733827710
Condition:
New
Availability:
Free Shipping from the USA. Estimated 2-4 days delivery.
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SPECIFICATIONS:
Color: Golden
ngel Point: 135° split point
Shank Type: straight and round shank
Material: M35 cobalt(5%) high speed steel
Multiple sizes for your choice
:7mm,Tool length:69mm Overall Length:109mm,
7.2mm,Tool length:69mm Overall Length:109mm,
7.5mm,Tool length:69mm Overall Length:109mm,
7.8mm,Tool length:69mm Overall Length:109mm,

Suitable For: luminum, wood, malleable and deep hole drilling positioning holes iron.
- Can be used radial drill, bench drill or hand drill chuck for drilling operations.
Packing Included
5 x M35 twist drill


INSTRUCTIONS FOR USE:
Twist drill is a cutting tool, mainly used for metal drilling, so the control speed is very
The essential.
2) The recommended speed of this product: 100-800R/MIN, the larger the diameter, the slower the speed requirement
3) M35 cobalt-containing high-speed steel twist drill has a hardness of HRC64-66 degrees, suitable for metal drills <38 degrees
Hole, can't drill hardened metal
4 When working with manual drills, pay attention to adjusting the rotation speed. If the rotation speed is too fast, the drill bit is easy to be damaged.
5) This product must not be knocked during use, the work must be fixed, and the work will break when it swings during operation.
drill
WARNING: To avoid injury, the use of shields, guards and wrap around safety goggles is recommended.