NORSEMAN 83710 5/16"-9/16" Step Reamer Bit

Description

Type 78-GR
Gold Oxide - low temperature stress relief that enhances lubricity, reduces friction and increases toughness

HSS Step Reamers, 3-Flats on Shank
• Accurately starts, enlarge and deburrs in holes in
material up to 1/2" thick.
• 90º notch point starts holes easily.
• Each reamer has five hole enlargement steps.

Hole sizes: 5
Range: 5/16"- 9/16"
Shank size: 3/8"
Step thickness: 1/2"