Do Head Bolts Need Washers at Emerita Yamamoto blog

Do Head Bolts Need Washers. What are we getting at here? If the nut was to do this, you won't. With aluminum heads they are mandatory to prevent the underside of the bolt head. That has been explained to exhaustion. Gm used no washers with iron heads on bb and sb for decades. This makes the washer a little less of a need due to galling because it won't happen as easily). The short answer is that you need the washers. High quality head studs or head bolts with hardened washers must be used to prevent galling of the aluminum bolt bosses. With alu heads use longer bolts and washers and same if you use arp bolts or other performance. It all depends on the application. When installing head bolts in aluminum cylinder heads, hardened steel washers must be used under the bolt heads to prevent. Their heads are responsible for their locking action, which prevents loosening due to vibration — up to seven times that of conventional hex head cap screws. The washers act as bearings for the bolts. If you're using a screw with a small head on a soft material, then you may need a washer or you might be able to. With iron heads the washers aren't a necessity, just an option if you want to use them.

This makes the washer a little less of a need due to galling because it won't happen as easily). That has been explained to exhaustion. Gm used no washers with iron heads on bb and sb for decades. If you're using a screw with a small head on a soft material, then you may need a washer or you might be able to. With alu heads use longer bolts and washers and same if you use arp bolts or other performance. If the nut was to do this, you won't. It all depends on the application. What are we getting at here? When installing head bolts in aluminum cylinder heads, hardened steel washers must be used under the bolt heads to prevent. The short answer is that you need the washers.

2688 5/16"24 x 1" Hex Washer Head Body Bolt Denver Auto Fasteners, LLC

Do Head Bolts Need Washers With aluminum heads they are mandatory to prevent the underside of the bolt head. This makes the washer a little less of a need due to galling because it won't happen as easily). The short answer is that you need the washers. With alu heads use longer bolts and washers and same if you use arp bolts or other performance. It all depends on the application. Their heads are responsible for their locking action, which prevents loosening due to vibration — up to seven times that of conventional hex head cap screws. The washers act as bearings for the bolts. Gm used no washers with iron heads on bb and sb for decades. With aluminum heads they are mandatory to prevent the underside of the bolt head. When installing head bolts in aluminum cylinder heads, hardened steel washers must be used under the bolt heads to prevent. If the nut was to do this, you won't. With iron heads the washers aren't a necessity, just an option if you want to use them. What are we getting at here? That has been explained to exhaustion. If you're using a screw with a small head on a soft material, then you may need a washer or you might be able to. High quality head studs or head bolts with hardened washers must be used to prevent galling of the aluminum bolt bosses.