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🔧 Secure your space with Thunderbolt precision—where strength meets simplicity!
The Genuine Thunderbolt M8 x 75 Hexagonal Head Masonry Concrete Anchor Screw offers a high-strength, non-expansion fixing solution designed for medium-duty anchoring in concrete, brick, wood, and stone. Featuring a patented concave thread for fast, low-torque installation and exceptional pull-out resistance, it eliminates the need for plastic plugs and reduces stress on materials. Fully threaded and made from Class 10.9 steel, this anchor is adjustable, removable, and ideal for professional and DIY projects demanding reliable, clean, and versatile fixing.
| ASIN | B01720TNQC |
| Best Sellers Rank | 60,313 in DIY & Tools ( See Top 100 in DIY & Tools ) 833 in Screws (DIY & Tools) |
| Brand Name | Thunderbolt |
| Compatible Groove Diameter | 2E+1 Millimeters |
| Customer Reviews | 4.5 out of 5 stars 765 Reviews |
| Drive System | External Hex |
| Exterior Finish | Plastic |
| Exterior finish | Plastic |
| Fastener Size | M8 x 75 |
| Fastener Type | Hexagon Anchor Bolt |
| Fastener type | Hexagon Anchor Bolt |
| Finish Types | plastic |
| Grade Rating | Class 10.9 |
| Head Type | Hex |
| Head style | Hex |
| Item Diameter | 8 Millimetres |
| Item Hardness | Grade 10.9 |
| Item Weight | 1 Pounds |
| Manufacturer | GENUINE THUNDERBOLT® |
| Manufacturer Grade | Class 10.9 |
| Manufacturer grade | Class 10.9 |
| Material | Plastic |
| Material Type | Plastic |
| Maximum Shear Strength | [10, 70] MPa |
| Metal | Stainless Steel |
| Number of Pieces | 1 |
| Screw Head Style | Hex |
| Screw Point Style | hollow |
| Set Screw Thread Type | M (Manufacturer |
| Size | M8 x 75 |
| Thread Class | Class 6 |
| Thread Coverage | Fully Threaded |
| Thread Size | M8 |
| Thread Style | Standard |
| Thread Type | UNC |
| Thread size | M8 |
| Unit Count | 8.0 count |
M**Y
Rock solid and easy to use
These are great I used them to put a basketball hoop on the side of the house for my son.First of all they are an absolute doddle to use,just drill an 8 mm hole give them a little tap with a hammer and tighten them with a spanner.Secondly,they are solid,these will never fall out they have actually screwed into the brick and I'm pretty confident the basketball hoop could take my full weight.
C**R
Thunderbolt screw fixings
Did the job, arrived quickly, reasonable price
M**N
Good quality
Good quality good grip fast delivery
B**S
Perfect for many projects
Brilliant product
M**S
Did the Job
I was having difficulty getting a good solid fix to very hard bricks with rawl bolts but these worked great. Hole must be made with the exact drill size indicated.
J**D
Not a problem
I read reviews that said this product didn't work. Those reviews are WRONG. These bolts work perfectly well if you drill the correct size hole - M8 = 8mm drill hole. The bolt then cuts into the hole and makes a very solid fastening. Note - this a genuine review and I will allow Amazon to give out my mobile number if anyone is in doubt.
Q**T
They work but ...
These really do work but not that great on solid concrete, I felt they would snap once they started to bite so I went for a bigger drill bit but it was still tough going.
T**S
Excellent Bolts
These bolts are brilliant, so easy to use. Just drill the hole and screw in the bolt. I’ve used them for securing fencing post brackets to concrete
L**U
Bien
Fixation abri bois
Trustpilot
3 days ago
1 month ago