Self Tapping Screws

Self-tapping screws are a type of fastener with a unique feature. They are able to tap their own threads in materials like plastic, wood and metal. Self-tapping screws are split into two main categories, Thread-Forming and Thread-Cutting. The screws are similar in the job they do, however, they have two differences. One of the screws has a flat base, the other has a sharp point.

The difference between self-tapping and self-drilling fasteners is that self-tapping screws will tap a hole into a soft material, self-drilling screws are capable of drilling a hole into anything from metal to wood meaning no pilot hole is needed.

Thread-Forming Screw

Before using this self-tapping screw, it is recommended that a pilot hole is drilled into the material. As thread-forming screws have a flat nose, it makes the drilling process easier and are used when fastening plastic together.

Thread-Cutting Screw

This self-tapping screw does not require any preparation. As it has a pointed tip, it is not necessary to create a pre-drilled pilot hole. Thread-cutting screws are able to pierce a small entry hole while being driven into the material the thread is being created.

Self-tapping screws are used where an application requires regular maintenance and regular easy access. These screws are useful in situations where products have to be assembled and disassembled, such as access panels or even furniture. For more detailed information on the types, uses and sizes available, please see our a href = /web/generalDisplay.html?id=solutions/self-tapping-screws-guide/ target=_selfcomplete guide to self tapping screws/a.

What self-tapping fasteners are available?

When choosing the best self-tapper for your job, there are a few key points to consider e.g. the right head shape, drive type and thread size are essential. Another factor would be the material the screws are used with, and the environment and elements they are exposed to.

As a screwdriver is the only real tool used when working with self-tappers, make sure that you have the screwdriver with the appropriate drive type.

Drive Types

  • Crosshead
  • Hexagon Head
  • Pozi
  • Torx

Head Shapes

  • Pan Head
  • Countersunk
  • Button Head

Materials and Finishes

  • Steel
  • Stainless Steel
  • Bright Zinc Plated
  • Clear Passivated

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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庫存編號 482-7764
BrandRS PRO
TWD158.00
毎包:100 個
Bag(s)
- 6mm M3 - - Countersunk Pozidriv Clear Passivated, Zinc Steel -
RS庫存編號 180-724
BrandRS PRO
TWD418.00
毎包:100 個
Bag(s)
3/4in 19mm - - No. 10 Countersunk Pozidriv Plain Stainless Steel A2 304
RS庫存編號 522-1381
BrandRS PRO
TWD479.00
毎盒:100 個
Box(es)
3/4in 19mm - - 10 Countersunk Pozidriv Plain Stainless Steel A4 316
RS庫存編號 522-1353
BrandRS PRO
TWD347.00
毎盒:100 個
Box(es)
1/2in 13mm - - 8 Countersunk Pozidriv Plain Stainless Steel A4 316
RS庫存編號 546-5547
BrandRS PRO
TWD247.00
毎盒:100 個
Box(es)
1.1/4in 32mm - - 8 Countersunk Pozidriv Bright Zinc Plated, Clear Passivated Steel -
RS庫存編號 482-7483
BrandRS PRO
TWD164.00
毎包:100 個
Bag(s)
- 6mm - - 4 Countersunk Pozidriv Bright Zinc Plated Steel -
RS庫存編號 180-702
BrandRS PRO
TWD416.00
毎包:100 個
Bag(s)
1.1/4in 32mm - - No. 8 Countersunk Pozidriv Plain Stainless Steel A2 304
RS庫存編號 521-579
BrandRS PRO
TWD220.00
毎包:100 個
Bag(s)
3/8in 9.5mm - - No. 6 Pan Pozidriv Plain Stainless Steel A2 304
RS庫存編號 522-1369
BrandRS PRO
TWD430.00
毎盒:100 個
Box(es)
3/4in 19mm - - 8 Countersunk Pozidriv Plain Stainless Steel A4 316
RS庫存編號 117-6664
BrandRS PRO
TWD1.50
/個 (每包:1000個)
單位
- 9mm - - 6 Pan - Bright Zinc Plated Steel -
RS庫存編號 546-5632
BrandRS PRO
TWD110.00
毎盒:100 個
Box(es)
1/2in 13mm - - 4 Pan Pozidriv Bright Zinc Plated Steel -
RS庫存編號 797-6171
BrandRS PRO
TWD728.00
毎盒:100 個
Box(es)
2in 50mm - - 10 Countersunk Pozidriv Plain Stainless Steel A2 304
RS庫存編號 522-1397
BrandRS PRO
TWD672.00
毎盒:100 個
Box(es)
1in 25mm - - 10 Countersunk Pozidriv Plain Stainless Steel A4 316
RS庫存編號 546-5525
BrandRS PRO
TWD168.00
毎盒:100 個
Box(es)
3/4in 19mm - - 8 Countersunk Pozidriv Bright Zinc Plated, Clear Passivated Steel -
RS庫存編號 203-3217
製造零件編號8GK9911-0KK00
BrandSiemens
TWD2.40
/個 (每包:500個)
單位
- - M5 - - Pan Pozidriv - - -
RS庫存編號 546-5648
BrandRS PRO
TWD121.00
毎盒:100 個
Box(es)
1/4in 6.5mm - - 6 Pan Pozidriv Bright Zinc Plated Steel -
RS庫存編號 180-667
BrandRS PRO
TWD332.00
毎包:100 個
Bag(s)
1.1/4in 32mm - - No. 6 Countersunk Pozidriv Plain Stainless Steel A2 304
RS庫存編號 522-1325
BrandRS PRO
TWD225.00
毎盒:100 個
Box(es)
3/8in 9.5mm - - 4 Pan Pozidriv Plain Stainless Steel A4 316
RS庫存編號 546-5553
BrandRS PRO
TWD166.00
毎盒:100 個
Box(es)
1/2in 13mm - - 10 Countersunk Pozidriv Bright Zinc Plated, Clear Passivated Steel -
RS庫存編號 797-6175
BrandRS PRO
TWD524.00
毎盒:50 個
Box(es)
2.1/2in 65mm - - 10 Countersunk Pozidriv Plain Stainless Steel A2 304