Best Cap Nuts Deals Online in the UK (25 Deals Found)

Last Updated - 09/09/2026 Sort By:

Best Choice
QANCEN

New
QANCEN 10 Pcs M5 Dome Cap Nuts, Acorn Thread Hex Caps, 304 Stainless Steel DIN 1587 Hex Lock Nuts for Screws,Furniture,F
High Quality Material:The dome nut cover is made of 304 stainless steel. Hexagonal dome nuts have a smooth surface with

£3.79
Best Value
Nadinsta

New
Nadinsta 146pcs Acorn Thread Hex Cap Head Nuts Assortment Kit, Dome Cap Nuts, M3/M4/M5/M6/M8/M10/M12 Carbon Steel Acorn
【7 Different Sizes of Metric Acorn Thread Hex Cap】You will receive 50pcs M3, 40pcs M4, 20pcs M5, 20pcs M6, 10pcs M8, 4pc

£7.99
New
Black Plastic Nut Cap Bolt Cover Dome M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 24
.

£99.99
YITYDaMai

New
165 Pcs Acorn Dome Cap Nuts, alloy steel Acorn Thread Hex Caps Head Nuts Assortment KitAcorn Decorative Hex Cap Nutss -
Premium Material: Our assorted dome cap nuts are made of premium alloy steel material, which has high strength and good

£9.99
New
Black A2 Stainless Steel Hexagon Full Or Dome Cap Cover/Nyloc Nuts Metric Sizes
Material - A2 Stainless steel (For increased corrosion resistance). Colour - Black plated. M8mm 13mm 15mm 1.25. M6mm 10m

£38.78
YITYDaMai

New
165 Pcs Acorn Dome Cap Nuts, stainless steel Acorn Thread Hex Caps Head Nuts Assortment KitAcorn Decorative Hex Cap Nuts
Premium Material: Our assorted dome cap nuts are made of premium stainless steel material, which has high strength and g

£10.99
ANVINKU

New
Acorn Dome Cap Nuts, ANVINKU 180PCS Stainless Steel Dome Nuts, Hex Cap Head Nut, Decorative Acorn Nut Caps Assortment Ki
Package Content: 180PCS acorn dome cap nuts in 7 sizes, M3 x 60PCS dome nuts, M4 x 40PCS dome nuts, M5 x 30PCS dome nuts

£9.99
New
M6 10mm Nut Caps Protection Covers bolt protectors caps Black uk made
brand new m6 nut caps for nuts and bolts , made from strong black plastic ( uk made ) for hexagon heads and where a 10mm

£4.37
BACSHBY

New
BACSHBY 10 Pcs M8 Dome Cap Nuts, Stainless Steel 304 Acorn Dome Head, DIN 1587 Thread Hex Cap Nuts for Industry, Furnitu
High Quality Material: Our dome nuts are made of durable stainless steel A2 V2A, known for its high strength, corrosion

£4.99
New
NUT & BOLT DOME COVER CAPS HEX PLASTIC M5,M6,M8,M10,M12,M14,M16,M18,M20,M22....
M22 (32mm). M18 (27mm). M14 (22mm). M16 (24mm). M12 (19mm). M10 (17mm). M20 (30mm). Made of LDPE polyethylene in black c

£35.90
GOWTX

New
210Pcs Black Plastic Dome Nut, 6 Sizes Bolt Protection Caps Cover, Dome Head Decorative Cap Nuts, Thread Bolt Cover Cap,
【Packaging Includes】This package contains 210 x Hex Head Bolt Covers, including 80 x M4, 60 x M5, 20 x M6, 10 x M8, 20 x

£7.88
10% Off
JORREP

New
150 Pcs Acorn Dome Cap Nuts, 304 Stainless Steel Acorn Dome DIN 1587 Thread Hex for Motorcycle Bicycles Furniture Lighti
【EXCELLENT MATERIAL】 Acorn nuts are made of high-quality 304 stainless steel with have good corrosion resistance and sup

£8.59 £9.59
New
Plastic Nut Covers Bolt Nut Caps Dome M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M24
M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M24. Bolt thread sizes from M4 to M24. Available in the fallowing bolt thr

£34.95
BACSHBY

New
BACSHBY 20 Pcs M4 Dome Cap Nuts, Stainless Steel 304 Acorn Dome Head, DIN 1587 Thread Hex Cap Nuts for Industry, Furnitu
High Quality Material: Our dome nuts are made of durable stainless steel A2 V2A, known for its high strength, corrosion

£3.69
New
M3 M4 M5 M6 M8 M10 M12 M16 Dome Nuts Acorn Blind Closed Cap Hex Nut Zinc Plated
Manufactured to DIN 1587 from zinc plated steel. Spanner size; 5.5mm. Spanner size; 7mm. Spanner size; 8mm. Spanner size

£104.89
BUNTOR

New
175PCS Screw Bolt Covers Caps, BUNTOR Plastic Hex Head Dome Bolt Caps, M3/M4/M5/M6/M8/M10 Black Screw Cap Cover for Matc
175PCS Screws Bolt Covers Caps: You will receive 6 sizes of plastic screw caps, 50PCS M3 bolt covers, 40PCS M4 bolt cove

£8.59
New
Black Stainless Steel Nuts Dome Wing Cap Nyloc Full Thin Flange M3 M4 M5 M6 M8
BLACK STAINLESS STEEL THIN NUTS. BLACK STAINLESS STEEL NUTS. BLACK STAINLESS STEEL FULL NUTS. Made From Beautiful Black

£59.09
New
METRIC A2 STAINLESS STEEL FINISHING CAP NUTS COVER NUTS M5,6,8,10,12
Material - A2 Stainless steel. Type - DIN917 Hex cap nuts. 12mm 19mm 16mm 1.75. 10mm 16mm 14mm 1.5.

£252.00
New
Bolt Nut Cover Caps Plastic Hexagon M5,M6,M8,M10,M12,M14,M16,M18,M20,M24/ Black
To protect and cover bolt head or nut. black colour finish. made from polyethylene plastic (LDPE). for a proffesional fi

£101.79
New
M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 White Plastic Dome Nut Protection Cap Covers
.

£99.99
New
M2 M3 M4 Cap Head Allen Bolts, Nuts & Washers. Socket Screws 304 Stainless Steel
Further details are as follows Stainless Steel Cap Head Allen Bolts (DIN 912). Stainless Steel Grade A2/70 (304). Stainl

£13.99
New
Sleeve Nuts M5 M6 M8 M10 Flat Head Hexagon Socket Furniture Cap Yellow Zinc Blac
M8 (fit 8 mm bolts). M10 (fit 10 mm bolts). M6 (fit 6 mm bolts). M5 (fit 5 mm bolts). Versatile, can be used with joint

£44.49
New
Plastic Nut & Bolt Cover Caps For Hexagon Nuts Bolts Black M5 M6 M8 M10 M12 M16
.

£92.59
New
Fine Pitch Thread Dome Cap Nuts Hex Domed Nuts A2 Stainless M8 M10 M12 M14M16M20
Size：M6 M8 M10 M14 M16 M20. Material:A2 Stainless Steel. -The product is made of high strength stainless steel, combined

£32.14
New
DOME NUTS HOT DIP GALVANISED DOMED HEXAGON ACORN HEX CAP NUTS M8 M10 M12 M16 M20
Further info as follows In addition, it adds an appealing finish to the fixture. M8 x 1.25mm. M10 x 1.5mm. M12 x 1.75mm.

£4.62

25 Cap Nuts deals are available from: Amazon, eBay stores, starting from £3.69.
The biggest discount we found is 10% on 150 Pcs Acorn Dome Cap Nuts, 304 Stainless Steel Acorn Dome DIN 1587 Thread Hex for Motorcycle Bicycles Furniture Lighting Saddle.Acorn Decorative Hex Cap Nuts - M3/M4/M5/M6/M8/M10 at Amazon.
The lowest price we found is £3.69 while the highest is £252.00.
Prices for the best Cap Nuts deals average at £43.84.
Last updated on September 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Cap Nuts.