Bhilai-based manufacturer of high-strength hex bolts (M12–M64, IS 1363), RDSO fish bolts, track bolts for points & crossings, railway plate screws, foundation bolts and specialised fasteners to drawing. Serving SAIL Bhilai Steel Plant, Indian Railways and industry for 40 years.
Send these nine details with your fastener enquiry and you get a firm price and lead time in one reply instead of a chain of questions.
Read the article : The Fastener Enquiry Checklist: 9 Details for an Accurate QuoteWhy a bolt has to be tightened to the right tension, how torque relates to preload, and the habits that keep bolted joints from lo...
How common bolt finishes compare, where each makes sense, and the details to watch when you specify galvanised bolts and nuts.
Drawing number, alteration, title block and notes — the parts of an RDSO drawing that decide what your supplier manufactures.
L-type, J-type, rag and plate-anchored foundation bolts — what each is for, and the dimensions you need to give your manufacturer.
Plate screws hold bearing plates and base plates to sleepers. What they do, where they are used and how to order them by RDSO draw...
Turnouts are full of bolted assemblies, each with its own RDSO drawing. How track bolts for points and crossings are specified and...
The two numbers stamped on a bolt head tell you its tensile and yield strength. Here is how to read them and match nuts correctly.
IS 1363 covers product grade C hexagon head bolts and nuts. Here is what that means, which thread pitches apply from M12 to M64, a...
What a fish bolt does at a rail joint, why the RDSO drawing matters, and what to check before you order fish bolts with nuts.
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