Ultra Screw PZ Double Countersunk Woodscrews 4 x… (79985)

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Ultra Screw PZ Double Countersunk Woodscrews 4 x 40mm 200 Pack (79985)

Top quality, waxed single thread, multipurpose screw. Popular with the professional. Features a lower screw-in torque and faster drive speed. Suitable for screwdrivers and combi drills.

  • Double-Countersunk
  • A2 Stainless Steel
  • Coarse Single Thread
  • Corrosion-Resistant
  • Suitable for All Wood Types
  • Ideal for the Professional

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View all: Ultra Screw Stainless Steel Screws

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Ultra Screw PZ Double Countersunk Woodscrews 4 x 40mm 200 Pack is rated 4.5 out of 5 by 35.
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Rated 5 out of 5 by from To fit bird spikes to pergola A shorter length would have been sufficient for this job, but Screwfix didn't have any in stainless steel. These did the job perfectly. They need a pilot hole. Hoping for no corrosion: time will tell. So can't comment properly on reliability. (This question should be optional.)
Date published: 2018-06-18
Rated 5 out of 5 by from Ultra screws I'm refurbishing my shed-workshop by stripping off the old cladding and fitting new better quality treated timber boards. I need screws that I can be confident will not corrode in an external exposed situation and I'm confident that these screws will do the job just fine.
Date published: 2018-06-14
Rated 3 out of 5 by from Not very strong It is far too easy to twist the head off when screwing these in by hand. They are very weak at the end of the thread.
Date published: 2018-06-07
Rated 4 out of 5 by from Stainless Steel Ultrascrew Using hundreds of these with concrete cladding boards as an exterior finish. Really nice quality and very easy to use. My only gripe is that they do not come in a larger more economical pack. Over £10 for 200 screws is pricey . Bigger packs and a better price please.
Date published: 2017-11-30
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What diameter is the head?

Asked by: MourneMan
Hello MourneMan, The diameter of the head is 8mm. I hope this is useful. Thank you for using Q and A.JB
Answered by: jboon
Date published: 2018-04-26

Diameter of the screw head

I need to hang some pictures up, the fixings of which require the heads of the screws used to be 6mm. Can you confirm the diameter of the heads on these
Asked by: Mainten
Hi Mainten, As far as we are aware, the head diameter on these screws will be approximately 8mm. For screws with a 6mm diameter, the M3 ones should be suitable. The approximate rule of thumb is for standard wood screws, the head diameter is twice the thread diameter. Thank you for using Q&A. PB
Answered by: Pebo
Date published: 2017-11-12

Hi, what screwdriver head is best for these screws?

Ultra Screw Stainless Steel Woodscrews Double-Countersunk 4 x 50mm
Asked by: lizg
It's ok, I've found out it's a PZ #2 :)
Answered by: lizg
Date published: 2016-03-26
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Specification
Brand Ultra Screw
CE Standard (Tested to EN...) EN 14592.
Construction Material (Screws) A2 Stainless Steel
Drive Type PZ
Fixings Finish Stainless Steel
Head Type Double Countersunk
Manufacturer Guarantee 1 Year Guarantee
Pack Size 200
Pieces in Pack/Case 200
Product Diameter 4 mm
Product Length 40 mm
Product Type Woodscrews
Resistant Type Corrosion-Resistant
Screw Diameter (mm) 4 mm
Screwdriver Type PZ
Screw Thread Type Coarse Single Thread
Suitable Application For all Wood Types, Plumbing & Freshwater Use

EN 14592.