HSS 4241 Bore Machining H7 Reamer Straight Shank 7pc Milling Tool Set: 3-4-5-6-8-10-12mm

These reamer cutters are made of high-speed steel 4241 and have high hardness.
Sharp cutting edge, high cutting ability, high accuracy, long service life.
Applicable to rubbing on mold and craft processing.
Widely used for hole processing, installed in drilling machines, milling machines, etc.
Machined surface of iron, plastic, wood, copper, aluminum and other soft materials. 
HSS 4241 Material: High speed steel
Straight shank 
Precision: H7 Quantity
7pc set with diameter: 3/4/5/6/8/10/12mm