Hegebeck Straight Shank Lengthen Twist Drill Bit 7mm x 350mm

Description

1.This drill bit was made from high Speed Steel ,hardness HRC: 62~63 ;it is finished with fine polish for high hardness and durability.
2.Suitable for side milling, end milling, finish machining, etc. Apply to carbon steel, soft alloy steel, die steel, tool steel, cast iron, titanium, aluminum, etc
3.This twist drill bit with Lengthen shank, sharp spiral groove.
4.With the twist design for fast dust removal, and leaves a clean, smooth hole
5.The twist drill bit is used with electrical drilling machine.(here is not included)

Specifications:

Cutting Edge Diameter : 7mm / 0.28"

Shank Size : 7mm / 0.28"

Total Length : 350mm / 13.78"

Material : High Speed Steel 4341

Surface Treatment: Grinding and heat treatment

Hardness (HRC): 62-63

Main Color: Silver

Package Content:

1 Pcs x Twist Drill

Note:

1. Please keep cool and gentle using, the working life of the straight shank lengthen twist drill bits can be largely prolonged by proper usage.
2.Not For Use On Concrete, Masonry, Stainless Steel.
3.Please check the size and style you need carefully before buying.
4.Be careful when using this product.