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Grade 8.8 M12 Torque
Grade 8.8 M12 Torque. Tightening torque ma max (nm) property classes thread diameter 8.8 10.9 12.9 m8 x 1.00 22 30 36 m10 x 1.25 42 59 71 m12 x 1.25 76 105 130 m14 x 1.50 120 165 200 m16 x 1.50 180 250 300 m18 x 1.50 260 365 435 m20 x 1.50 360 510 610 m22 x 1.50 480 680 810 m24 x 2.00 610 860 1,050 conversion figures to get ncm from nm nm x 100 The specification for this material grade fasteners is the astm a324.
S38 b36/s38 b38 m12 torque 20 nm ** torque values for 1/4 and 5/16 sizes are in inch lb. This type of 8.8 bolt could either have coarse thread and fine pitch thread formation.
This Type Of 8.8 Bolt Could Either Have Coarse Thread And Fine Pitch Thread Formation.
For structural connectors instructural metallic works 3. Tightening torque ma max (nm) property classes thread diameter 8.8 10.9 12.9 m8 x 1.00 22 30 36 m10 x 1.25 42 59 71 m12 x 1.25 76 105 130 m14 x 1.50 120 165 200 m16 x 1.50 180 250 300 m18 x 1.50 260 365 435 m20 x 1.50 360 510 610 m22 x 1.50 480 680 810 m24 x 2.00 610 860 1,050 conversion figures to get ncm from nm nm x 100 Strength grade 4.8 6.8 8.8 10.9 12.9 min breaking strength 400mpa 600mpa 800mpa 1000mpa 1200mpa material general structural steel mechanical construction steel chrome molybdenum alloy.
Due To Variables In Surface And Lubrication Conditions, Determination Of Service Torque Values Shown Should Be Reached Experimentally Using.
Bolt diameter x pitch thread stress area mm 2 *when μ = 0.10 results in: The bs 3692 grade 8.8 hex bolt and others in the 8.8 grade come with different lengths ranging from 20mm to 100mm and different finishes. Bolt torque specs in foot pounds or (inch pounds) tensile:
All Torque Values Are For General Guidance.
This shows torque values in nm for property classes 50, 70 and 80 as shown in the table below. This applies to ‘grades’ a1, a2, a3, a4 and a5. The first number represents 1 / 100 of the tensile strength, and the second number represents 10 times the ratio of yield to tensile strength.
0 N = 5 Min.
(these calculations are in metric units, the torque program can also work in units of inches and pounds and work with the unified thread form.) torque tightening analysis results example calculation for a m12 bolt. Hobson class 8.8 hex bolts & class 8 hex nuts are manufactured to as1110.1 / as1112.1. The specification for this material grade fasteners is the astm a324.
Sae & Astm Bolt Grade Sae & Astm Bolt Grade Identification Marks.
High tensile grade 8.8 hex head screws for heavy duty. ** torque values for 1/4 and 5/16 sizes are in inch lb. The m20 grade 8.8 galvanised bolts are dipped into the galvanizing solution and get a galvanized coating.
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