Cobalt Screw Tap Bits

Type:Twist drill
Purpose:Metal drill
Material:high speed steel

Usage scenarios
Suitable for drilling, cutting on wood, soft metal, aluminum, iron, etc.
Specifications
3-8mmTitanium coating Hss Drill set
Cobalt contains: 5%

Includes:
3MM ×1
4MM ×1
5MM ×1
6MM ×1
6.5MM ×1
8MM ×1
 

6 Choose the most commonly used sizes to meet all your needs. The drill set is suitable for most electric drills on the current market, and is equipped with portable plastic bags for easy storage and organization.
Industrial grade 6542 The high speed steel bit kit is better than other similar bit kits4241 HSS Hard. These bits also contain 5% Cobalt, which improves wear resistance and durability.
The fully ground spiral groove design can quickly reduce friction and heat, resulting in faster and lower drilling performance. Straight shank135It can prevent walking and make drilling precise and fast. A center punch is not required.

Suitable for cutting hard metals, such as stainless steel, steel and cast iron, as well as wood, aluminum alloy and other soft metals, including ceramic tile, concrete, ceramic tile, brick, wood, plastic, glass, masonry, etc. 
The product has sharp edge and high drilling efficiency. The center of the product has sawtooth. With the help of the bit, the bit can continue to drill horizontally after drilling.