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The AF4F M6 x 100mm Concrete Self Tapping Masonry Bolt Anchor (10 Pack) is a premium-grade, zinc-plated alloy steel fastener designed for superior load-bearing and corrosion resistance. Featuring a hexagonal head and anti-slip thread design, these bolts provide secure, long-lasting anchoring in masonry materials like concrete, brick, and stone. Ideal for both professional and DIY projects, they install easily with standard tools and are engineered to maintain integrity in harsh environments.





| ASIN | B0DQ8NJ8VY |
| Best Sellers Rank | 4,850 in DIY & Tools ( See Top 100 in DIY & Tools ) 22 in Anchors |
| Brand Name | ALWAYSFIRST 4 FIXINGS |
| Colour | Yellow Passivated |
| Compatible Groove Diameter | 6 Millimeters |
| Country Of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 118 Reviews |
| Drive System | External Hex |
| Exterior Finish | Zinc |
| Exterior finish | Zinc |
| Fastener Size | M6 x 100mm |
| Fastener Type | Self Tapping Masonry Anchor |
| Fastener type | Self Tapping Masonry Anchor |
| Finish Types | Zinc |
| Head Type | Hex |
| Head style | Hex |
| Item Diameter | 6 Millimetres |
| Item Hardness | Grade 10.9 |
| Manufacturer | ALWAYSFIRST 4 FIXINGS |
| Manufacturer Grade | Premium |
| Manufacturer Part Number | CMB10 |
| Manufacturer grade | Premium |
| Material | Carbon Steel |
| Material Type | Carbon Steel |
| Metal | Alloy Steel |
| Number Of Items | 10 |
| Number of Pieces | 10 |
| Outside Diameter | 6 Millimetres |
| Screw Head Style | Hex |
| Screw Point Style | Self Tapping |
| Set Name | 10 Pack |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size | M6 x 100mm |
| Thread Class | 3A |
| Thread Coverage | Upto 100mm |
| Thread Style | Right Hand |
| Thread Type | UNC |
| Unit Count | 10.0 count |
A**Y
Excellent product
Excellent product and great value for money. The quality exceeded my expectations and it arrived quickly and well packaged. Very easy to use and exactly as described. I’ve been really impressed with the performance so far and would definitely recommend to others. Will happily purchase again in the future
A**Y
Excellent
Excellent product works brilliantly
S**R
Not bad
They are good but not really self tapping, it says drill a hole 8mm did that and they would still not screw into the concrete post had to make the holes bigger.
A**R
Does the job
They do the job they are supposed to do. Drill the correct size hole and they tighten into brick very well. Holding up posts for a fence attached to an 90ft long brick wall
B**L
Solid bolts
Used for wooden fence post. Easy to use. Does a great job
G**N
Sold fix
Job done quick
A**Y
Perfect… tired and tested
I used these to fit a heavy steel barricade against an external door (inside) into the cavity wall. I did use anchor resin also, they did not budge when a burglar failed to kick the door open. UPVC doors are rubbish, all 4 bolts forced open with a screwdriver!
L**Y
Strong and effective.
I only needed 2 but, at this price, I was more than happy (to have some 'in stock'). The ones I used did the job and tightened up to provide a solid fixing. They didn't shear off (which, despite my advancing years, I have been strong enough to do in the past). Pleased..
Trustpilot
3 days ago
1 month ago