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- Product Code: RAP-2205-1001
- Manufacturer Code: FFT 7.5 x 82
- Package Type: Packet
- Shopping Category: Hardware > Hardware Accessories > Hardware Fasteners > Screws
StarFix FFT Self-Tapping Masonry Screws (7.5mm)
(Choice of length. Box of 100)
Like plug or anchor fixings, but quicker and easier!
Box of 100, self-tapping masonry screws for plug-free fixing to brick, concrete and stone. StarFix masonry screws out-perform other plug-less fixings in both performance and durability.
The patented StarForm hi-lo thread create exceptionally strong fixings, quickly and easily. The high thread, cuts into the masonry, whilst the low thread compacts loose material to give better thread engagement. StarFix masonry screws will allow multiple re-fixing, without stripping and compromising the tapped hole.
Features & Benefits
- Halves installation time - no plug or anchor needed
- Highly secure fixing - excellent resistance to pull-out
- Safe and strong - large 7.5mm diameter steel fixing
- Lower torque - StarForm thread requires 30% less drive
- Optimum drive - T30 gives better grip and less wear
- Includes T30 drill bit - T30 gives better grip and less wear
Manufactured by Rapierstar, these electroplated yellow carbon steel screws have a precision T30 star drive, which gives optimum drive efficiency, improving grip and extending bit life. Complies with provision for CE marking and exceeds British and European standards of extended corrosion resistance.
Technical Information
Measurement | Value |
---|---|
Head Style | Truncated countersunk |
Head Diameter | 11.3mm ±0.5mm |
Shank Diameter | 7.5mm |
Shank Length | 62mm, 82mm, 102mm, 112mm, 122mm, 142mm, 152mm, 182mm, 202mm |
Drive Bit | Torx 30 |
Point | Sharp Point |
Shank Material | Carbon Steel |
Coating | Electroplated Yellow |
Corrosion Protection | BS EN 1670:2007 Service Class 3 acc. To EN 9227:2012 |
Material Grade | AISI C1018/C1022 |
Thread Form | Hi-Lo, partial patented ‘StarForm’ cutting thread |
Effective Thread Length | Fully-threaded |
Application | Fixing wood, metal, or PVCu frames to masonry |
Pack Size | 100 |
Fitting & Usage
The StarFix self-tapping masonry screws will cut their own thread in pre-drilled pilot holes of 6/6.5mm. Suggested screw-in depth varies depending on type and condition of substrate.
Typical Pull-out Values*
Substrate | Screw-in Depth | Average Pull-out Value |
---|---|---|
Engineering Brick | 40mm | 8.8kN |
Concrete Block | 50mm | 14.79kN |
London Brick | 45mm | 11.75kN |
* Pull-out figures are typical, ultimate pull-out values depend on condition of material. It is always recommended that condition of the substrate is assessed, and testing is carried out before use.
Ultimate Mechanical Performance
Diameter | Torque to Break | Shear Test Peak Yield |
---|---|---|
7.5mm | 15.69Nm | 17kN |