Did you know? Andreas Stihl patented the first electric chainsaw in 1926 and the first petrol chainsaw in 1929 — earning the title Father of the Chainsaw.
Did you know? Johan Petter Johansson invented the modern adjustable wrench (spanner) in 1892 while working at Bahco — the tool used by every tradesperson today.
Did you know? A British company that manufactures router cutters, saw blades, and the famous AirShield Pro — one of the first powered respirators for woodworkers.
Did you know? Invented the first portable circular saw in 1927 and pioneered the dust extraction system that is now standard in professional workshops.
Did you know? Started by making carbon-filament lamps. The Philips head screw was NOT invented by Philips — it was invented by Henry F. Phillips, a completely different person.
Did you know? One of the oldest British chemical manufacturers, originally producing turpentine substitute. Their wood preservers have protected UK homes for over 145 years.
Did you know? The name comes from "Cuprum" (Latin for copper) and "Naphthol" — copper naphthenate was the original wood preservative formula invented in 1911.
Did you know? British General (BG) has been the UK's go-to brand for electrical accessories since WWII. Their white moulded sockets are installed in millions of British homes.
Did you know? Originally a mail-order screws company called "Woodscrew Supply Company". Now the UK's largest multi-channel trade supplier with 870+ stores and same-day Click & Collect.
Did you know? Owned by Travis Perkins Group, Toolstation grew from a single store to 580+ branches in just 20 years — opening a new store almost every week.
Did you know? ITS (Industrial Tool Supplies) is one of the UK's largest independent tool retailers, known for competitive pricing and fast delivery across their 30+ trade counters.
Did you know? Named after founders Richard Block and David Quayle. B&Q opened the UK's first warehouse-style DIY store in 1980, changing how Britons shop for home improvement.
Did you know? A fast-growing online-only tool retailer specialising in premium brands like Milwaukee, Makita, and DeWalt with competitive pricing and expert product knowledge.
Did you know? Started as a small family business, Power Tool Mate has become one of the UK's most trusted online power tool specialists with over 100,000 satisfied customers.
Did you know? Tools4Trade is known for their detailed product videos and expert reviews, helping tradespeople make informed buying decisions before purchasing.
Did you know? Famous for their massive 25,000 sq ft flagship store in Devon — a destination for woodworkers worldwide. They manufacture their own brand of lathes and machinery.
Did you know? SGS specialises in air compressors, generators, and workshop equipment. They design and manufacture many products under their own brand name.
Did you know? Toolden has rapidly grown into a go-to online store for tradespeople, known for their clean website design, fast shipping, and excellent customer service.
Did you know? City Electrical Factors (CEF) is the UK's largest electrical wholesaler with over 450 trade counters. They hold £150M+ of stock for same-day availability.
Did you know? One of the oldest companies in the UK, Travis Perkins traces its origins to 1797. The group also owns Toolstation, Wickes, and several other major trade brands.
Did you know? Power Tool World is a family-run business that has grown into one of the North East's largest power tool retailers with a massive online catalogue.
Sirius Professional 17mm 1/2 Drive Socket for 21mm Unistrut Channel
SKU: 260326123917018
EAN: 5060399178020
Compare 2 prices for Sirius Professional 17mm 1/2 Drive Socket for 21mm Unistrut Channel — from £19.95
across 2 UK sellers including
Tooled Up, My Tool Shed.
The Sirius Professional 17mm 1/2" Drive Socket is a specialist tool engineered for working with 21mm Unistrut channel systems. This channel socket dramatically reduces fixing time whilst delivering professional results, solving the common issue of thin-walled sockets jamming in the channel when bolts or nuts are tightened. Manufactured from premium chrome steel with a non-rust plated finish, this socket provides exceptional durability and strength for demanding installation work. The robust construction ensures the socket won't jam in the channel or strut during tightening, maintaining smooth operation throughout the fixing process. Compatible with Unistrut and all other channel or strut manufacturers, this socket has been extensively trialled by professional installers. It's ideal for electricians, mechanical engineers, and contractors who regularly work with channel support systems, particularly those installing cable management, pipework supports, or structural frameworks. Features and Benefits: • 17mm AF socket designed for M10 thread bolts and studs • 1/2" drive compatible with standard ratchets and impact wrenches • 21mm deep reach for secure engagement in shallow channels • Chrome steel construction with non-rust plating for long-term durability • Prevents socket jamming in channel during bolt tightening • Universal compatibility with all major channel and strut manufacturers Contents: 1 x 17mm Socket for 21mm Deep Channel Specifications: Drive: 1/2"
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Sirius Professional 17mm 1/2 Drive Socket for 21mm Unistrut Channel
