1/4-28 x 4.250 12pt SS bolts

1/4-28 x 4.250 12pt SS boltsMaterial: Stainless Steel Finish: Polished Material 2: Finish 2: Origin: USA

Fittings are available with female pipe threads

these super-alloys are found in many jet engine and aerospace applications where heat and stress attack the life of critical components

enabling the sleeve to float

quench and temper steels – L19 requires special care to avoid hydrogen embrittlement

Our special purpose washers are constructed from either premium chrome moly with a black oxide finish or polished ARP stainless steel and are hardened and parallel-ground

and meet theARP “ZERO defect – ZERO failure” quality standard

A sample chart is as follows: ARP offers a highly accurate stretch gauge with a dial indicator that reads in increments of

three thicknesses and two are in ARP stainless

Studs are preferred by many Pro engine builders because they eliminate the chance of pinching gaskets and contribute to easier engine assembly

This material is easily contaminated and subject to stress corrosion

000 lbs clamping force

the bolt must be able to fit snugly and a knurl is applied