5 8 Bolt Torque Rating

Rev 3 6 09 torque tension relationship for a307a grade 5 8 9 bolts in sq. Torque is only an indirect indication of tension. Fasteners bolts nuts and threaded rods torque tension and loads.

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Bolt Torque Chart

Fastener Torque Specs

Sae Bolt Torque Chart Grade 2 Grade 5 Grade 8 Chart Bolt Grade

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Free Bolt Torque Chart Pdf 45kb 1 Page S

When vibration or sudden impact is part of the load conditions the spacing between anchors should be increased.

5 8 bolt torque rating.

Extreme caution should be used when using a formula for torque tension relationships. Under over tightening of fasteners can result in costly equipment failure or personal injury. Tightening torque guide for grade 5 8 hex cap screws this table is based on ifi 5th edition technical data n 12 n 16 using equation 1 and a torque coefficient k 0 20 for non plated steel fasteners and k 0 15 for plated fasteners. Asme ansi b16 5 flanges and bolt dimensions class 150 to 2500 diameters and bolt circles for standard asme b16 5 flanges 1 4 to 24 inches class 150 to 2500.

Grade 2 grade 5 grade 8 18 8 s s bronze brass. 23 section 6 appendix 12 21 01 rcr15 series rotary cutters 312 556m land pride section 6 appendix torque values chart for common bolt sizes in tpi1 n m2 ft lb3 n m ft lb n m ft lb mm x pitch4 n m ft lb n m ft lb n m ft lb 1 4 20 7 4 5 6 11 8 16 12 8 436597. Bolt stretching and tensile stress tensile stress and hooke s law. Bolt torque calculator calculate required bolt torque.

For imperial bolts grades 5 and 8 are most common. Coarse fine coarse fine coarse fine coarse fine coarse fine coarse fine 4 5 2 4 8 4 3. 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 1 8 606 120 51500 38600 640 480 1 14 679 120 57700 43300 720 540 1 1 8 7 763 105 56500 42300 790 590 1 1 8 12. As a rule of thumb the expansion anchor industry has established a minimum standard of ten 10 anchor diameters for spacing between anchors and five 5 anchor diameters from an unsupported edge.

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. Sae grades 5 8 bolts screws 1 sae 1 sae tpi grade 5 14 grade 8 14 surface condition torque adjustment factors plain steel as supplied x 1 0 plain steel degreased x 2 0 zinc plated as supplied x 1 0 zinc plated lightly oiled x 0 9 galvanised degreased x 2 1 galvanised lightly oiled x 1 1 heavily greased x 0 7 recommended assembly. A grade 2 bolt has no markings a grade 5 bolt will have three markings while a grade 8 bolt will have six lines. Sae j429 conforming bolts will have radial markings machined on the head of the bolt that indicate bolt grade.

In lbs lbs lbs lbs. Grade 2 5 and 8 values are for plated bolts.