Square head bolts
Square head bolts for sale on Ireland's largest auction and classifieds sites
Roofing bolts with - roofing, square - £104.79
Thread pitch • Roofing bolts square • Nuts bolt supplied - Free postage - New and Used
Thread pitch • Roofing bolts square • Nuts bolt supplied - Free postage - New and Used
M10 roofing bolts - m5, m6 - £3.11
Roofing bolts complete • Square nuts includes • Nut bolt supplied - Free postage - New and Used
Roofing bolts complete • Square nuts includes • Nut bolt supplied - Free postage - New and Used
M10 m12 square - m8, - £31.69
Material 304 stainless • Steel link shows • That inventory all - Free postage - New and Used
Material 304 stainless • Steel link shows • That inventory all - Free postage - New and Used
M10 roofing bolts - m8, - £80.42
Thread pitch • Roofing bolts square • Nuts bolt supplied - Free postage - New and Used
Thread pitch • Roofing bolts square • Nuts bolt supplied - Free postage - New and Used
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Machine screws solid brass - machine, - £337.00
Solid brass slotted • Csk machine screws - Free postage - New and Used
Solid brass slotted • Csk machine screws - Free postage - New and Used
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48 listings · from £2.66 · avg £59.58
⚠️ These listings were last updated more than 25 days ago.
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Browse 48 square head bolts listings currently in our index. Prices range from £2.66 to £337, with an average of £59.58. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about square head bolts →
Stainless steel head - stainless, - £11.99
High quality bolts • Made grade stainless • Steel standards - Free postage - New and Used
High quality bolts • Made grade stainless • Steel standards - Free postage - New and Used
M10 m12 plough - m10,, bolts, - £324.99
M10 m12 plough • Bolts flat csk • Head square neck - Free postage - New and Used
M10 m12 plough • Bolts flat csk • Head square neck - Free postage - New and Used
304 stainless steel - 304, square - £44.73
Screw m10 m12 • Material 304 stainless • Steel will try - Free postage - New and Used
Screw m10 m12 • Material 304 stainless • Steel will try - Free postage - New and Used
M6 solid brass - m4, - £92.21
Solid brass slotted • Pan head machine • Thread pitch - Free postage - New and Used
Solid brass slotted • Pan head machine • Thread pitch - Free postage - New and Used
Mushroom head square neck - mushroom, - £99.63
M10 m12 m16 • Also known coach • Screws cup square - Free postage - New and Used
M10 m12 m16 • Also known coach • Screws cup square - Free postage - New and Used
Solid brass slotted - brass, - £132.68
Raised csk screws • Solid brass slotted • Countersunk machine - Free postage - New and Used
Raised csk screws • Solid brass slotted • Countersunk machine - Free postage - New and Used
Solid brass metric - brass, - £64.74
17mm 6.4mm 1.5 • Material solid brass • Technical information 5mm - Free postage - New and Used
17mm 6.4mm 1.5 • Material solid brass • Technical information 5mm - Free postage - New and Used
Cheese machine screws solid - screws, - £62.50
Solid brass slotted • Cheese head machine • Screws made from - Free postage - New and Used
Solid brass slotted • Cheese head machine • Screws made from - Free postage - New and Used
304 stainless steel - 304, - £63.71
Screw m10 m12 • Material 304 stainless • Steel whilst care - Free postage - New and Used
Screw m10 m12 • Material 304 stainless • Steel whilst care - Free postage - New and Used
Roofing bolts mushroom - m6, m8 - £74.85
Manufactured large flat • Head which distributes • Load across fixing - Free postage - New and Used
Manufactured large flat • Head which distributes • Load across fixing - Free postage - New and Used
Roofing bolts with square nuts - roofing, - £3.70
Roofing bolts square • Nuts bzpprice includes • Vat free fast - Free postage - New and Used
Roofing bolts square • Nuts bzpprice includes • Vat free fast - Free postage - New and Used
Ultra thin head - thin, square - £6.99
Bolt 9x9m head • 1.3mm thickness 12mm • Thin square - Free postage - New and Used
Bolt 9x9m head • 1.3mm thickness 12mm • Thin square - Free postage - New and Used
M12 carriage bolts cup - bolts, square - £177.16
Stainless steel • M12 carriage bolts • Manufactured from grade - Free postage - New and Used
Stainless steel • M12 carriage bolts • Manufactured from grade - Free postage - New and Used
M10 m12 square - m6, - £2.76
Standard type gb35 • Thread pitch 0.7mm • 0.8mm 1mm 1.25mm - Free postage - New and Used
Standard type gb35 • Thread pitch 0.7mm • 0.8mm 1mm 1.25mm - Free postage - New and Used
M12 12mm coach bolts - 12mm, - £117.95
Cup square • Carriage bolts din603 • Hexagon nut din934 - Free postage - New and Used
Cup square • Carriage bolts din603 • Hexagon nut din934 - Free postage - New and Used
Solid brass slotted - brass, pan - £142.51
Brass roundhead screws • Slotted pan head • Slot drive bolts - Free postage - New and Used
Brass roundhead screws • Slotted pan head • Slot drive bolts - Free postage - New and Used
A2 solid brass - m3, - £44.33
All screws are • Fully threaded - Free postage - New and Used
All screws are • Fully threaded - Free postage - New and Used
M6 solid brass - m5, - £60.59
Slotted countersunk machine • Solid brass • Screws manufactured from - Free postage - New and Used
Slotted countersunk machine • Solid brass • Screws manufactured from - Free postage - New and Used
M12 cup square carriage bolt - cup, - £4.32
M12 carriage cup • Square hex bolt • Nut bzp this - Free postage - New and Used
M12 carriage cup • Square hex bolt • Nut bzp this - Free postage - New and Used
Hammer head bolts square - head, - £2.66
304 stainless steel • Thread pitch 0.8mm • 1mm 1.25mm 1.5mm - Free postage - New and Used
304 stainless steel • Thread pitch 0.8mm • 1mm 1.25mm 1.5mm - Free postage - New and Used
Roofing bolts square nuts - m6, - £41.55
Roofing bolts square • Nuts m8mm stainless • Steel bolt supplied - Free postage - New and Used
Roofing bolts square • Nuts m8mm stainless • Steel bolt supplied - Free postage - New and Used
Cup square carriage bolt - square, - £3.96
Carriage cup square • Hex head bolt • Nut bzp this - Free postage - New and Used
Carriage cup square • Hex head bolt • Nut bzp this - Free postage - New and Used
M10 cup square carriage - square, - £35.93
M10 carriage cup • Square hex head • Bolt nut bzp - Free postage - New and Used
M10 carriage cup • Square hex head • Bolt nut bzp - Free postage - New and Used
Solid brass phillips machine - brass, - £5.13
Bolts screws high • Made brass todin • 965 standards grub - Free postage - New and Used
Bolts screws high • Made brass todin • 965 standards grub - Free postage - New and Used
Square head bolt 10pcs - bolt,, - £7.14
Square head bolt • Offers large bearing • Area made carbon - Free postage - New and Used
Square head bolt • Offers large bearing • Area made carbon - Free postage - New and Used
304 stainless steel square - 304, - £38.16
Screw m10 m12 • May also left • Local material 304 - Free postage - New and Used
Screw m10 m12 • May also left • Local material 304 - Free postage - New and Used
5mm cup square carriage - m5, - £47.59
Set includes nyloc • Locking nut vibration • Resistance flat washer - Free postage - New and Used
Set includes nyloc • Locking nut vibration • Resistance flat washer - Free postage - New and Used
Cheese machine screws solid - machine, - £55.77
Brass roundhead screws • Slotted drive simplest • Which used flat - Free postage - New and Used
Brass roundhead screws • Slotted drive simplest • Which used flat - Free postage - New and Used
M10 long roofing - m6,m8,m10,, long, - £164.99
- Free postage - New and Used
- Free postage - New and Used
Solid brass slotted - solid, - £8.10
Solid brass slotted • Countersunk head • Machine screws these - Free postage - New and Used
Solid brass slotted • Countersunk head • Machine screws these - Free postage - New and Used
Roofing bolts mushroom - m8, - £3.45
Roofing bolts are • Ideal wide range • Lightweight applications well - Free postage - New and Used
Roofing bolts are • Ideal wide range • Lightweight applications well - Free postage - New and Used
Cup square carriage bolts - bolts, hex - £22.85
This type bolt • Predominantly used woodworking • Square anti spin - Free postage - New and Used
This type bolt • Predominantly used woodworking • Square anti spin - Free postage - New and Used
M10 10mm roofing bolts - 10mm, - £74.26
Under head distributes • Load across fixing • Increase clamping effectiveness - Free postage - New and Used
Under head distributes • Load across fixing • Increase clamping effectiveness - Free postage - New and Used
High strength square head - high, - £52.55
Strength 10.9 surface • Finish blackened material • Carbon steel - Free postage - New and Used
Strength 10.9 surface • Finish blackened material • Carbon steel - Free postage - New and Used
50x greenhouse bolts - bolts, nuts - £7.69
Premium material greenhouse • Nuts bolts are • Made high strength - Free postage - New and Used
Premium material greenhouse • Nuts bolts are • Made high strength - Free postage - New and Used
Square head bolts - m4, m8 - £40.81
Material 304 stainless • Steel thread standard • Few missing teeth - Free postage - New and Used
Material 304 stainless • Steel thread standard • Few missing teeth - Free postage - New and Used
Cheese machine screws solid - cheese, - £50.00
Brass roundhead screws • Slotted drive simplest • Which used flat - Free postage - New and Used
Brass roundhead screws • Slotted drive simplest • Which used flat - Free postage - New and Used
M10 square carriage - m6, - £39.99
40mm m10 75mm • Carriage bolts plain • Cup head square - Free postage - New and Used
40mm m10 75mm • Carriage bolts plain • Cup head square - Free postage - New and Used
Cup square carriage bolt - cup, - £3.62
This type bolt • Predominantly used woodworking • Square anti spin - Free postage - New and Used
This type bolt • Predominantly used woodworking • Square anti spin - Free postage - New and Used
Solid brass slotted - solid, - £8.52
Slotted pan head • Specs solid brass • Machine screw type - Free postage - New and Used
Slotted pan head • Specs solid brass • Machine screw type - Free postage - New and Used
Bolt drop in hammer - t, m5 - £42.95
Available thread sizes • Series aluminium profiles • These bolts are - Free postage - New and Used
Available thread sizes • Series aluminium profiles • These bolts are - Free postage - New and Used
Square head bolt 10pcs - head, bolt, - £5.36
Square head bolt • Offers large bearing • Area made carbon - Free postage - New and Used
Square head bolt • Offers large bearing • Area made carbon - Free postage - New and Used
Square head bolt 20pcs - square, - £7.56
Square head bolt • Offers large bearing • Area made carbon - Free postage - New and Used
Square head bolt • Offers large bearing • Area made carbon - Free postage - New and Used
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Everything you need to know about square head bolts
Whether you are looking for a brand-new or second-hand square head bolts, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £2.66, while premium listings can reach £337 — giving you a wide budget spread to work with. The average price of £59.58 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.