Browse store

Silverscrew Woodscrews Double Self Countersunk 4 x 20mm 200 Pack (17975)

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

  • For Wood, Plastic, Masonry & 1mm Sheet Metal
  • Double Self-Countersunk
  • PZ
  • Wax-Coated
  • Carbon Steel
  • Coarse Single Thread
  • Easy-Start Tip
  • Zinc-Plated
  • Superior Quality & Heat-Treated for Resistance to Snapping

More Info

£0.89INC VAT

Add to basket for...

Silverscrew Woodscrews Double Self Countersunk 4 x 20mm 200 Pack is rated 4.7 out of 5 by 137.
  • y_2017, m_2, d_23, h_12
  • bvseo_bulk, prod_bvrr, vn_bulk_0.0
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_137
  • loc_en_GB, sid_17975, prod, sort_[SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_screwfix

Add to saved list...

Save
Rated 4 out of 5 by from Good screws Good for price always in stock easy to use and come in a strong box
Date published: 2017-02-17
Rated 4 out of 5 by from Screw For the price they are perfect. I had a couple snap when driving but all in all very good
Date published: 2017-02-16
Rated 5 out of 5 by from Good quality screws Doing a loft conversion and used a lot of these screws. They have never let me down and they are a very good price. Would definitely buy again.
Date published: 2017-02-12
Rated 4 out of 5 by from Big box value Big box of screws for a BIG JOB, work a treat with the right sized driver bit. Top value
Date published: 2017-02-11
  • y_2017, m_2, d_23, h_12
  • bvseo_bulk, prod_bvrr, vn_bulk_0.0
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_137
  • loc_en_GB, sid_17975, prod, sort_[SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_screwfix

What is the length of the thread?

Asked by: qwerty123456
Hello Qwerty123456, The threaded section of the screw is approximately 42mm in length, Thank you for using Q&A.
Answered by: LMac
Date published: 2016-12-06

Hi, can these screws be used for decking joist hangers

Asked by: Dezzy222
Hello Dezzy222. These are a good all purpose screw and would be ideal for that use. Hope that helps. Thank you for using Q&A.
Answered by: marchington
Date published: 2016-07-09

What is the screw gauge of this screw

Asked by: DomesticElectrician
Hello, a metric diameter of 5 is the equivalent of an imperial gauge 10.
Answered by: jrose
Date published: 2016-10-02

Hi can you tell me how much force this screw will take Product Code: 14427

Asked by: Dave1971
Hi Dave, The maximum safe load weight is 10kg for this specific screw, however we do not advise that you use this to hang an item.
Answered by: WillFarrell
Date published: 2016-05-14

What is the width of the head?

Asked by: Imperial
  • y_2017, m_2, d_23, h_19CST
  • bvseo_bulk, prod_bvqa, vn_bulk_0.0
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_6
  • loc_en_GB, sid_17975, prod, sort_[SortEntry(order=LOCALE, direction=DESCENDING), SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_screwfix
Specification
Brand Silverscrew
Colour Zinc-Plated
Construction Material (Screws) Carbon Steel
Finish Zinc-Plated
Fixings Finish Zinc-Plated
Head Type Double Self 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
Screw Diameter (mm) 4 mm
Screwdriver Type PZ
Screw Thread Type Coarse Single Thread
Suitable Application For Wood, Plastic, Masonry & 1mm Sheet Metal
Suitable Use Type Excellent for All Types of Wood
Total Product Weight 0.25 kg

. EN 14592.