Size: 1/4-28GH: 3Flutes: 2
HSS UNC
7/8-9 HSS UNC – Spiral Point Bright Tap
3/8-16 HSS UNC – Spiral Point Blue Tap
5/16-18 HSS UNC – Spiral Point Blue Tap
9/16-12 HSS UNC – Spiral Point Bright Tap
5/8-11 HSS UNC – Spiral Point Bright Tap
1/4-20 HSS UNC – Spiral Point Bright Tap
5/16-18 HSS UNC – Spiral Point Bright Tap
No 4-40 HSS UNC – Spiral Point Blue Tap
1/2-13 HSS UNC – Spiral Point Bright Tap
No 12-24 HSS UNC – Spiral Point Blue Tap