Self-Tapping, Self-Drilling & Thread-Forming Screws

unlike other kinds of screws and bolts, Self-Tapping and Self-Drilling screws are fixings that tap their own holes in to various materials, primarily sheet metal, wood and plastic. Self-tapping and Self-drilling screws are available with a range of threads like Metric and UTS (Unified Thread Standard). They are also available in different materials and finish dependent on application and environment, as you can see more in detail in our Self-Tapping Screws Guide.

  • Self-Tapping Screws: Tap their own hole into the wood, metal or plastic. Although not essential, a pre-drilled pilot hole is helpful as it ensures that the screw enters the chosen material easily and positions the fixing correctly.
  • Self-Drilling Screws: Work in the same way as a self-tapping screw but has the bonus of drilling the pilot hole at the same time saving time and effort.

Self-tapping screws can also be split into further types:

  • Thread forming – displace material
  • Thread cutting – remove material

Applications:
  • DIY
  • Carpentry
  • Surgery

Something you might not know, is that many dental implants and orthopaedic bone screws are great examples of where self-tapping screws are used in surgery.

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Description Price Length Imperial Length Metric Thread Size Metric Thread Size mm Thread Size UTS Head Shape Drive Type Finish Material Stainless Steel Type
RS Stock No. 546-5884
BrandRS Pro
£8.57
1 Box of 100
Box(es)
1in 25mm M5.5 5.5mm - Hex Washer Hex Bright Zinc Plated Steel -
RS Stock No. 483-1202
BrandRS Pro
£3.42
1 Bag of 100
Bag(s)
- 5mm M3 - - Pan - Clear Passivated, Zinc Steel -
RS Stock No. 546-5806
BrandRS Pro
£3.98
1 Box of 100
Box(es)
1/2in 13mm M4.2 4.2mm - Hex Washer Hex Bright Zinc Plated Steel -
RS Stock No. 546-5913
BrandRS Pro
£11.15
1 Box of 100
Box(es)
1.1/2in 38mm M5.5 5.5mm - Hex Washer Hex Bright Zinc Plated Steel -
RS Stock No. 522-1454
BrandRS Pro
£7.73
1 Box of 100
Box(es)
3/8in 9.5mm - - No. 8 Pan Pozidriv Plain Stainless Steel A4 316
RS Stock No. 546-5834
BrandRS Pro
£4.63
1 Box of 100
Box(es)
5/8in 16mm M4.8 4.8mm - Hex Washer Hex Bright Zinc Plated Steel -
RS Stock No. 546-5604
BrandRS Pro
£2.06
1 Box of 100
Box(es)
1/4in 6.5mm - - No. 4 Pan Pozidriv Bright Zinc Plated Steel -
RS Stock No. 546-5862
BrandRS Pro
£6.66
1 Box of 100
Box(es)
1in 25mm M4.8 4.8mm - Hex Washer Hex Bright Zinc Plated Steel -
RS Stock No. 483-1252
BrandRS Pro
£6.30
1 Bag of 100
Bag(s)
- 12mm M5 - - Pan - Clear Passivated, Zinc Steel -
RS Stock No. 521-535
BrandRS Pro
£3.53
1 Bag of 100
Bag(s)
1/4in 6.5mm - - No. 4 Pan Pozidriv Plain Stainless Steel A2 304
RS Stock No. 521-614
BrandRS Pro
£6.01
1 Bag of 100
Bag(s)
1/2in 13mm - - No. 8 Pan Pozidriv Plain Stainless Steel A2 304
RS Stock No. 482-8054
BrandRS Pro
£4.02
1 Bag of 100
Bag(s)
- 6mm - - No. 4 Pan - Bright Zinc Plated Steel -
RS Stock No. 546-5878
BrandRS Pro
£7.30
1 Box of 100
Box(es)
3/4in 19mm M5.5 5.5mm - Hex Washer Hex Bright Zinc Plated Steel -
RS Stock No. 483-1218
BrandRS Pro
£3.81
1 Bag of 100
Bag(s)
- 10mm M3 - - Pan - Clear Passivated, Zinc Steel -
RS Stock No. 546-5979
BrandRS Pro
£6.44
1 Bag of 100
Bag(s)
3/4in 19mm - - No. 8 Pan Pozidriv Bright Zinc Plated Steel -
RS Stock No. 546-5957
BrandRS Pro
£6.20
1 Bag of 100
Bag(s)
1/2in 13mm - - No. 8 Pan Pozidriv Bright Zinc Plated Steel -
RS Stock No. 546-5812
BrandRS Pro
£4.63
1 Box of 100
Box(es)
3/4in 19mm M4.2 4.2mm - Hex Washer Hex Bright Zinc Plated Steel -
RS Stock No. 546-5654
BrandRS Pro
£2.20
1 Box of 100
Box(es)
3/8in 9.5mm - - No. 6 Pan Pozidriv Bright Zinc Plated Steel -
RS Stock No. 180-695
BrandRS Pro
£8.72
1 Bag of 100
Bag(s)
1in 25mm - - No. 8 Countersunk Pozidriv Plain Stainless Steel A2 304
RS Stock No. 546-5648
BrandRS Pro
£2.18
1 Box of 100
Box(es)
1/4in 6.5mm - - No. 6 Pan Pozidriv Bright Zinc Plated Steel -
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Thread forming screws for plastics having a tri-lobular ...
Description:
Thread forming screws for plastics having a tri-lobular cross-section capable of forming or rolling a matching thread into the material into which they are installed. Bright zinc plated steel. Available in either Pan head or Countersunk head forms. Supplied in bags of 100, and also available in kits of 250 ...
Bright Zinc Plated Steel Hex Washer Self-Drilling Screw ...
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Bright Zinc Plated Steel Hex Washer Self-Drilling Screw M4.2, 25mm Long
Zinc plated and passivated hardened steel Self-drilling screws ...
Description:
Zinc plated and passivated hardened steel Self-drilling screws offer all the advantages associated with standard self-tapping screws but are capable of drilling their own pilot holes into sheet metal up to 5mm in thickness.,Self-drilling screws should always be installed using a power-driver and are therefore particularly suited to fast production ...
Zinc plated and passivated hardened steel Self-drilling screws ...
Description:
Zinc plated and passivated hardened steel Self-drilling screws offer all the advantages associated with standard self-tapping screws but are capable of drilling their own pilot holes into sheet metal up to 5mm in thickness.,Self-drilling screws should always be installed using a power-driver and are therefore particularly suited to fast production ...