MDF-Tite MDF Screws 3.9 x 40mm 200 Pack (40376)

Designed to meet the latest developments in MDF board. Tri-Lock threadform and shank incorporates the benefits of a single coarse thread with a twin thread start on the same screw. Spiral point breaks through the hard, dense surface, allowing the twin thread to engage. The twin thread is reduced to a single coarse thread, enabling high pull-out retention. Underhead ribs for self-countersinking. Zinc and yellow-passivated.

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View all: MDF-Tite Flooring Screws

£8.79INC VAT

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Rated 5 out of 5 by PeterLeeds from Does the job as ususal Another good product from Screwfix. Who would have imagined the woodscrew redesigned?

Date published: 2021-01-30

Rated 5 out of 5 by SteveKn from Great product Bit pricey but does the job well, I used them for some old Edwardian floorboards and they worked perfectly

Date published: 2020-09-04

Rated 4 out of 5 by TommyBuster from Great screws I have just finished building two whole wardrobes from MDF for a client and these have held up very well; the wardrobe feels solidly built, the screws start and enter the MDF very well (no more spinning screws) and finally they’re thin enough to not cause the MDF to blow and expand when they are driven through.

Date published: 2020-08-31

Rated 5 out of 5 by DIY1234567 from Great brought these after being told about them for holding together a large 18mm MDF box . 2metres by 1. 6 screws in the corners and job done. expensive but cheaper than buying more MDF after breaking it.

Date published: 2019-09-20

MDF-Tite MDF Screws 3.9 x 40mm 200 Pack Reviews - page 2

Butt joint into 12mm MDF boards

I would like to use these to make enclosed box shelves with a open front. 1.Will this work with 12mm MDF board to make butt joints without blowouts, splits or bulging? 2.Do these screws require a Pilot hole before application?

Asked by: MD93

Thank you for your enquiry. MDF-Tite® will work perfectly in this application and whilst we believe it would work fine without a pilot hole, we would always recommend pre-piloting when uncertain to prevent any splits or bulging.