Square Bolt

Square Bolt – Product Details

JMIKS Fasteners supplies square bolts (square head bolts) in stainless steel SS 304, SS 316 and SS 202, mild steel 4.6 and 5.6, and high tensile 8.8 and 10.9, from M6 to M36 and ¼” to 1-1/4″ BSW, in lengths from 6 mm to 250 mm.

Specifications

Standard : DIN / IS / AISI
Size : Metric- M6 To M36 / BSW : ¼” to 1-1/4”
Material Grade: Stainless Steel (SS304 / SS316 / SS202) / MS (4.6 / 5.6) / High Tensile (8.8 / 10.9)
Length : 6mm to 250mm

About Square Head Bolts

A square bolt has a four-sided head with a large bearing face. The square head is easy to grip with a spanner and does not turn in square holes or slots. Square head bolts are covered by standards such as DIN 478, DIN 479 and DIN 480.

Applications

Machine tables and T-slots
Timber structures and construction
Railway and track fittings
Agricultural equipment and heavy machinery

Square Bolt FAQs

Why use a square head instead of a hex head?

The square head gives a bigger contact area and a firm grip for spanners, and it stays fixed in square slots. Hex heads are more common where space is tight.