The washer indicated for use in bodywork (in the manufacture of stills, funnels, automotive parts, etc... has several types of use, but the main one is that it comes with the screws to adhere better when tightening and to avoid friction between the nut and the part where it is being applied. T on the flap wider than the traditional one.
TUBE IRON WASHER
22273 WASHER F FUNNEL PL A 3/16 OPER 993316P 22261 WASHER F FUNNEL PL B 5/16 OPER 993516P 22285 WASHER F FUNNEL PL C 3/8 OPER 99338P 22286 WASHER F FUNNEL PL D 7/16 OPER 993716P 22260 WASHER F FUNNEL PL AND 1/2 OPER 99312P 22274 WASHER F FUNNEL PL F 5/8 OPER 99358P 22287 WASHER F FUNNEL ZB A 3/16 OPER 993316Z 22275 WASHER F FUNNEL ZB B 1/4 OPER 99314Z 22263 WASHER F FUNNEL ZB C 5/16 OPER 993516Z 22284 WASHER F FUNNEL ZB D 3/8 OPER 99338Z 22262 WASHER F FUNNEL ZB F 1/2 OPER 99312Z