N/AKnob - Black Anodize Retainer - Bright nickel over copper flash per ASTM B689 Screw - Black nitride, AMS2753, Section 3 Spring - Natural Finish
CAD View
N/AFastened
Thread Specification1
N/AANSI/ASME B1.13M, 6g
Material Knob
N/AAluminum
Material Retainer
N/AHeat-Treated Carbon Steel
Material Screw
N/A400 Series Stainless Steel
Material Spring
N/A300 Series Stainless Steel
Finish Knob
N/ANatural Finish
Finish Retainer
N/ABright Nickel over Copper Flash per ASTM B689
Finish Screw
N/APassivated and/or tested per ASTM A380
Finish Spring
N/ANatural Finish
For Use in Sheet Hardness
N/AHRB 80 or Less (Hardness Rockwell “B” Scale) / HB 150 or Less (Hardness Brinell)
Optional Finish2
N/AKnob (aluminum) – Black Anodize Screw (steel and stainless) – Black Nitride
CAD Supplier
N/APennEngineering® (PEM®)
1 As with all external plated threads, Class 2A/6g, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class
3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, Paragraph 8.2
2 “BL” suffix will be added to part number to designate DuraBlack™ finish.