The usual pan head screw with a spring washer mounted above the thread in four variations. Original was JIS pan head in steel with zinc platting, of course we have it: In addition we have the same screws but chrome platted for a nice shiny look or in stainless steel to avoid rust. We offer also an original solution combining original look and safe perfect tightening, Stainless steel Torx.
JIS Screw-washer for Carburetor, Torx screw-washer
Japanese vintage motorcycles, JIS screw, small head nut, small head bolt, pan head screw, honda, Kawasaki, Yamaha, Suzuki, Kawasaki 900 Z1, honda 750 CB K, Yamaha 350 rd, Suzuki 750 gt, zinc, stainless, acorn nut, black zinc, Japanese industrial standard, JIS screwdriver, engine bolt, flange bolt