Ultra Screw PZ Double Countersunk Woodscrews 4 x 20mm 200 Pack (79936)

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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Ultra Screw PZ Double Countersunk Woodscrews 4 x 20mm 200 Pack is rated 4.6 out of 5 by 32.
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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
Rated 5 out of 5 by from good quality, a bit spendy The 3x40 stainless don't strip out easily and don't rust when screwed into a plug in a damp wall. I haven't snapped any off yet. My only complaint is that 200 is probably a multiple lifetime supply for me, so I'd rather buy fewer and spend a bit less.
Date published: 2017-11-09
Rated 5 out of 5 by from Cheap+reliable Low cost not had a rounded or broken head as of yet perfect for outdoor use as stainless
Date published: 2017-10-17
Rated 4 out of 5 by from Screws Great product good price good service Would return to store again
Date published: 2017-09-26
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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 20 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.