Peter Stubs Imperial Key Steel – (Mak-A-Key)

Peter Stubs key steel also referred to as Mak-a-Key is a carbon steel zinc coated key steel supplied in 12″ lengths. This is a well established and recognised brand from the USA.

Key steel can be used for all keyway applications and has a wide range of uses.  The zinc coating gives this steel rustproofing capability and a nice aesthetic experience.

Please see our other listings for Imperial Stubs Key Steel. Also available in Stainless steel.

Material Specification:

• Nearest equivalent BS970 Part1
• Imperial range EN2B Grade 080A17 AISI 1018
• Metric range EN8D Grade 42 AISI 1045

Tolerances:

• Imperial 3/4″ & below .000″ +0.003″ 7/8 x 1.1/2 .000 +004″ 1.5/8 to 2″ .000″ +.005″
• Metric .00mm to +.08mm

Physical Properties:

Tensile strength -75/85000lbs per sq inch. Yield 60/70000lbs per sq inch. % elongation in 2″ : 18-25%

% reduction in rea in 2″ :50-55%

Brinell hardness range:150 -155

Certificate of conformity can be downloaded here: Stubs Key Steel Certificate of conformity