Square Bolts were previously used instead in place of hex bolts. Square bolts are easier to tighten using a wrench with a nut. With a square shaped head, these bolts are now used for old structures to match the previous bolts
Bolts can be Manufactured in Full Thread & Half Thread Configurations. Manufacturing Process Adopted are Cold Forged, Hot Forged & Bar Stock Machined. Bolts without Threading, Forged Blanks can be manufactured on request along with CNC machined Process.
Coarse Threads (6g / 6h Tolerance), Fine Threads (4g / 4h Tolerance) and Extra Fine Threads in Metric Series in accordance with ISO 724 . Unified Coarse, Unified Fine, 8 UN Threads in accordance with ANSI / ASME B1.1 2A / 2B Edition 2012.