Knockout pins and hardened blanks

Universal Punch Corporation, leader in the tooling and gauging industry, produces and sells knockout pins and hardened blanks.

Knockout pins headed style A or B #250

Material: M-2 high speed steel
Hardness: RC 62-64
Diameter range: .040" THRU 1.25" / 1.02mm THRU 31,75 mm
Roundness or taper: within .0002" / 0.005 mm
Straightness: within .001" / 0.025 mm

Knockout pins head style 1, 2 or 3 #260

Material: M-2 high speed steel
Hardness: RC 62-64
Diameter range: .040" THRU 1.25" / 1.02mm THRU 31,75 mm
Roundness or taper: within .0002" / 0.005 mm
Straightness: within .001" / 0.025 mm

Hardened M-2 blanks #266 - stock 6"/152mm

Material: M-2 high speed steel, stock lenght 6" / 152,4 mm
Hardness: RC 62-64
Straightness: within .001" / 0.025 mm
Tolerance +.0000" / -.0005"

Hardened ASP-30 blanks #268 - stock 8"/203mm

Material: ASP-30  superhigh speed steel, stock lenght 8" / 203 mm
Hardness: RC 67 min. triple drawn
Straightness: within .001" / 0.025 mm
Tolerance +.0002" / -.0005"
Roundness or taper: within .0002" / 0.005 mm

Technical data available here >