7.5mm StarFix FFT Masonry Screws (100 Pack)

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Length:

  • RAP-2205-1001
  • FFT 7.5 x 82
  • Packet
  • Hardware > Hardware Accessories > Hardware Fasteners > Screws
StarFix FFT Self-Tapping Masonry Screws (7.5mm) (Choice of length. Box of 100) Like plug... more
Product information "7.5mm StarFix FFT Masonry Screws (100 Pack)"

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

MeasurementValue
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*

SubstrateScrew-in DepthAverage 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

DiameterTorque to BreakShear Test Peak Yield
7.5mm 15.69Nm 17kN
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