5 8 11 Bolt Torque Spec

Recommended bolt torque table size recommended torque grade 2 grade 5 grade 8 18 8 s s bronze brass coarse fine coarse fine coarse fine coarse fine coarse fine coarse fine 4 5 2 4 8 4 3 6.

5 8 11 bolt torque spec.

Microsoft word bolt torque 2 pages doc. Recommended bolt torque values for stainless steel and nonferrous fasteners inch series. The torque values can only be achieved if nut or tapped hole has a proof load greater than or equal to the bolt s minimum ultimate tensile strength. Astm a307 utilized 75 of 36 000 psi.

Coarse fine coarse fine coarse fine coarse fine coarse fine coarse fine 4 5 2 4 8 4 3. Metric bolts maximum torque in foot pounds for clean dry threads check your shop manual. Grade 2 5 and 8 values are for plated bolts. Clamp load calculated as 75 of the proof load when specified by the standard.

Torque wrench calibration browse our selection torque wrench faqs. 5 8 11 20340 138 180 23840 149 199 14408 113 143 20340 159 201. Find the bolt torque chart for the astm a449 and sae grade 5 sae j429 grade 5 bolts. Always refer to the manufacturers recommended torque values if possible.

5 8 11 226 120 19200 14400 150 110 5 8 18 256 120 21800 16350 170 130 10 334 120 28400 21300 260 200 16 373 120 31700 23780 300 220 7 8 9 462 120 39300 29450 430 320 7 8 14 509 120 43300 32450 470 350. Bolt size low grade grade 8 8 grade 10 9 grade 12 9. Torque tension relationship for a307a grade 5 8 9 bolts locknut size threads per inch steel hex locknut steel hex flange nut grade c fnl grade 9 grade f grade g clamp load lbs tightening torque clamp load. Bolt size tpi tension tightening torque range ft lbs min max min max galv waxed plain.

Astm a449 is identical in chemical properties and is used in general engineering applications. Astm a449 covers headed bolts ranging from 1 4 inch to 3 inches in diameter. Ansi hardware design guide design torque and force calculations. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners.

These charts show suggested maximum torque values for threaded products and are intended only as a guide.