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Bolt identification guide chart of head markings, grades, materi…

Bolt identification guide chart of head markings, grades, materials and tensile strengths
Bolt identification guide chart of head markings, grades, materials and tensile strengthsOriginal file
Bolt identification guide chart of head markings, grades, materials and tensile strengths

Performance Unlimited bolt identification guide matching head markings to SAE grades 0-1-2 through 8 and aircraft bolts, from 65,000 to 220,000 p.s.i.

Part of 1978-1979 Ford Bronco Torque Specs

AI caption · Photo 357 of 526

DEFINITION MATERIAL TENSILE STRENGTH DEFINITION MATERIAL TENSILE sTRENGTH O@.. Nn lines unmarked Intermediate auaiiry sAE Gradesn.11 an earhnh steel Tempered auehehed a. steel tempered 1mm r- Izn.nnn r..s 1mm r..s 3LineSr aLi e57 5LineSr Cnmmnn Medium rarely used enmmereiaI enmmereiaI sAE Grade 7 guaIiry Aulnmnlive and AN Bulls sAE Grade 5 sAE Grade 6 Med. earhnh steel Med. earhnh steel Med. earhnh aIIny s LineSr aesi enmmereiaI qua 1y N.A.s. &Aircrz sAE Grade 3 Med. earhrm thry sleel auehehed ahd Iempeled 15n.nnn r- IQ Supenznium Special thry sleel auehehed a. tempered Isn.nnn r-- ' Assam) Snekel head N.A.s. In Asian cap serew Aireran Alsn N.A.s. siahdard Aireran siahdard Med. Garhrm High earhrm Hrgh earhrm thry steel auehehed a. auehehed a. auehehed a. tempered tempered tempered 15n.nnn r-- ' Isn,nnn p.s.i Isn,nnn r-- '. N.A.s. 626 Na nhaI reran siahdard sleel High earhrm auehehed a. tempered Inmnnn p.s.i Aireran Nn humher assighed steel High earhrm auehehed a. tempered zzn.nnn r..s '. WM

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