Notice: The images shown above are for reference only. If the picture is inconsistent with the actual product, the actual product shall prevail. Please allow 0.1~0.3mm errors due to manual measurement.
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It may also be left at local. If we have made an error we do apologise. 304 (A2-70) stainless steel.
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A2 Stainless Steel Slotted Roofing Bolts Mushroom Head with Square Nuts. A roofing bolt complete with square nuts. The flat section under the head distributes the load across the fixing to increase the clamping effectiveness.
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3/16" Whitworth x 1/4" Brass Round Head Screws Qty 10 Bar Turned Manufactured By EKP Supplies Free Postage Large Range Of Fastenings on Our Ebay Store.
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Thread - BSW (Whitworth). Grade - 12.9 High Tensile Steel. 1/2" is 12 Tpi. 1/4" is 20 Tpi. 7/16" is 14 Tpi.
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They are a BS 2470:1973. The technical data for the material is that it is high tensile grade alloy steel, heat treated to RC39-43. The material has a tensile strength of 190.000 ibf/in2 to 180.000 ibf/in2, a yield strength of 170.000 ibf/in2 to 162.000 ibf/in2, and a shear strength of 114.000 ibf/in2 to 108.000 ibf/in2.
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Model: Hex Socket Cap Self Tapping Screws.
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UNF thread pattern. Set screws are the fully threaded version of the standard bolt.
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