Torque Reference Chart - XRF Chassis

1 MetricInchISO 898 SAE J429 Metric (ISO 898)No MarkingsM6 - M16: 800 MPaM20 - M30: 830 MPa1040 MPa1220 MPaMinimum StrenghtsNo MarkingsClass Tensile=Grade 2 DryOiledDryOiledDryOiledTensile: 429 MPaTensile:M5 x (54)(41)(78)(59)(91)(68)60,900 psi 60,000 psiM6 x (92)(69)(133)(99)(156)(116)M7 x (156)(116)(222)(167)(260)(195)M8 x (225)(169)(333)(242)(377)(284)=M10 x x 5M14 x :M16 x ,350 psi120,000 psiM18 x x x x x 8M30 x :M33 x ,800 psi150,000 psiM36 x :176,9000 psi170,000 psiDryOiledDryOiledDryOiled1/4-20 (101) (76) (143) (107) (168) (120)1/4-28 (116) (87) (147) (123) (192) (144)5/16-18 (209) (157) (295) (221) (348) (264)5/16-24 (231) (174) (327) (245) (384) (288)3/8-16 (372) (276)443351383/8-24 (420) (312)

2 493758437/16-144937705281617/16-20554178 5891681/2-13755710680124931/2-2085641209 01401055/8-111501132121592381795/8-18170 1272401802702023/4-102672003762824233173 /4-162972234203154723547/8-9429322606455 6825117/8-144743556695027525641-86444839 0968110227671-1272254210207651147860 Metric (ISO 898)Inch (SAE J429)Grade 4, 8 ( , )No MarkingsTensile: 1220 MPaGrade ASTM-A574120,000 psi150,000 psi170,000 psiM6 - M16: 800 MPaM20 - M30: 830 MPa1040 MPa1220 MPa120,350 psi150,800 psi176,900 psiBolt Torque Specs in Foot Pounds or (Inch Pounds)No MarkingsTensile: 830 MPaTensile: 1040 MPaSize/ThreadClass TensileBolt Torque Specs in Foot Pounds or (Inch Pounds)Size/ThreadGrade 5 Grade 8 Grade ASTM-A574 Class TensileTorque Reference ChartMetric (ISO 898) - Inch (SAE J429)Note: These charts are provided as a Reference only.

3 Always refer to vehicle manufactures recommended Torque setting for the specific application. XRF Inc. has made every effort to insure the data provided in these charts is accurate.