Hexagon head boltsscrews din 931/933 metric series – dimensions notes: 1. the bolts and screws will generally conform to iso 4041, iso 4017 and din 931/933. 2. threads will conform to class 6g of iso 965/2, coarse series. 3. thread sizematerial high grade carbon/alloy steel. 4. heat treatment: property class 8.8 or 10.9* 5. thread length lt:
Din 931 / iso 4014 partially threaded hex cap screw. 8.8 grade bare steel / zinc plated; 8.8 grade hot dip galvanized (iso fit) 10.9 grade bare steel / yellow zinc plated; 10.9 grade bare steel with extended threads; 12.9 grade bare steel; a2/a4 stainless steel; din 933 / iso 4017 fully threaded hex cap screw. 8.8 grade bare steel / zinc plated
Made from grade 5 steel, these bolts are suitable for fastening most machinery and equipment and are zinc plated to resist corrosion in wet environments. a knurled neck grips the inside of the hole to keep them from turning when tightening a nut. a smooth, rounded head provides a finished look. grade 5 steel bolts are marked with three radial lines.
According to data from the trading corporation of bangladesh (tcb), 60-grade ms rebar or better quality is being sold from tk71,000 to tk72,000 per ton. the price used to range from tk59,500 to tk60,500. forty-grade ms rod is being sold for tk58,000 to tk60,000 per ton, which was earlier on sale for tk50,5000 to tk51,500 per ton.
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