Gemco / Midwest Fasteners

Gemco / Midwest Fasteners

Aluminum Dome Cap Washers

Aluminum Dome Caps are both lock washers and protective caps that conceal the sharp end of a pin.&nb

Gemco / Midwest Fasteners

Self Locking Washers

1-1/8" x 1-1/4" galvanized self-locking washers are used to secure insulation material in place on S

Gemco / Midwest Fasteners

1-1/2" Round Lock Washers

Round Self-Locking Washers are used to secure board or batt insulation onto self-stick or perforated

Gemco / Midwest Fasteners

1-1/2" Square Lock Washers

Square Self Locking Washers are used to secure insulation onto self-stick or perforated base pins.&n