BSW, Whitworth, Hex Bolt/ Hex Set, High Tensile/ R/ 12.9, Self-Colour and Zinc, DIN 933.
BSW-Whitworth, Bolts/ Set Screws, Hex Head, High Tensile (R), Self-Colour and Zinc.
Fixaball.co.uk sells a great range of rare Whitworth Hex-Bolts and Hex Sets, at the best internet prices, with free delivery.
Orders placed before 2pm are usually dispatched same day (Mon-Fri).
Bolt is the term used for a partially threaded fastener, with a head; designed to be used with a nut and washer. They come with the following formed heads:
Hex Head, Round Head, Cheese Head, Countersunk Head, Socket/ Allen Cap Head
They come in the following materials/ finishes (depending on availability):
Self-Colour, Zinc Plated.
- Most of these BSW – Whitworth hex head bolts are, ‘rarer than chickens teeth,’ and cannot be replenished, hence, the price tags.
- Some have a zinc finish and some don't (self-colour), depending on stock availability. Please see the drop down menu; they are self-colour (sc) unless otherwise stated.
Bolt vs Screw
A screw screws into something, a bolt joins several parts together, applying compression both sides of materials joined. A screw is fully threaded from underneath the head and a bolt is partially threaded (has a part-plain shank)
British Standard Whitworth (BSW) is a thread form developed by Sir Joseph Whitworth in 1841. The thread form has rounded roots and crests, a thread angle of 55 degrees; the thread form is specified in BS 84: 1956
Image is for illustrative purposes only.
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