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🔩 Secure your legacy with every screw – because your build deserves the best!
These M10 x 300mm heavy-duty coach screws feature a half-thread lag design with a hex head for superior torque application. Zinc plating ensures long-lasting corrosion resistance, making them ideal for outdoor wood projects like decking, fencing, and railway sleepers. Sold in packs of six, they combine professional-grade strength with excellent value for demanding timber construction.
| ASIN | B0CDPR1FJC |
| Best Sellers Rank | 22,248 in DIY & Tools ( See Top 100 in DIY & Tools ) 8 in Lag Bolts |
| Brand Name | LLB |
| Colour | Silver |
| Compatible Groove Diameter | 4 Millimeters |
| Country Of Origin | Poland |
| Customer Reviews | 4.4 out of 5 stars 114 Reviews |
| Drive System | Internal Hex |
| Exterior Finish | Zinc |
| Exterior finish | Zinc |
| Fastener Size | 4mm x 300mm |
| Fastener Type | Wood Screws |
| Finish Types | Zinc Plated |
| Head Type | Hex |
| Head style | Hex |
| Item Diameter | 4 Millimetres |
| Item Dimensions | 30 x 1 x 1.7 centimetres |
| Item Highlight | for Sleepers and Wood, Half Thread Lag Bolts, Galvanised, Decking and Fence, Long Timber Fixing, Railway Sleeper Bolts |
| Item dimensions L x W x H | 30 x 1 x 1.7 centimetres |
| Manufacturer | LLB |
| Manufacturer Part Number | WS.MAR.300 |
| Material | Zinc |
| Material Type | Zinc |
| Metal | Zinc |
| Number Of Items | 6 |
| Number of Pieces | 6 |
| Outside Diameter | 17 Millimetres |
| Point style | Flat Point |
| Screw Head Style | Hex |
| Screw Point Style | Flat Point |
| Set Name | Set of 6 Galvanised Wood Screws M10 (10 mm x 300 mm) |
| Set Screw Thread Type | UNC |
| Size | 4mm x 300mm / 0.4" x 12" |
| Thread Coverage | Fully Threaded |
| Thread Size | M10 |
| Thread Style | Right Hand |
| Thread size | M10 |
| Unit Count | 1.0 count |
M**S
Coach screws
DId what was required.
V**3
Good value
Seem good quality and a good price to and do exactly what they should, you need a powerful drill to put these in and one with a side handle as they go in very tight and the drill can easily kick back on you.
M**R
a
a
C**G
Great item, hard to get locally !
They worked for me ! I'd buy again :-)
R**T
Coach Screws
Good quality, did the job for what i needed them for.
P**S
Quality product
I bought these to screw down through an old railway sleeper as I was standing. My drive quality was good. Very strong. Great value for money and easy to use
M**S
Would not use again.
Tried two bolts. Both broke when being tightened. Feel very light would not use again.
H**S
Need a good drill for to screw them in
Did what I wanted it for
Trustpilot
2 days ago
3 weeks ago