Metal Tapping Screws - Westfield Fasteners Ltd

Fastener Material Key
Evo	Evoshield® - A special triple layered ceramic surface coating developed by Evolution to prevent corrosion in pollutive and atmospheric conditions.
A2	A2 Stainless Steel - Also known as grade 304 or 18/8. A general purpose grade of stainless steel.
A4	A4 Stainless Steel - Also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel.
BZP	Bright Zinc Plated (BZP) Steel - Non-stainless standard steel grade offering a basic level of corrosion resistance.

Pozi Pan Thread Rolling Screws for Metal DIN 7500 Type CE-Z in Bright Zinc Plated (BZP) Steel

image chamfer for Pozi Pan Thread Rolling Screws for Metal DIN 7500 Type CE-Z

Pozi Pan Thread Rolling Screws for Metal DIN 7500 Type CE-Z in Bright Zinc Plated (BZP) Steel

Thread rolling screws are designed to tap their own threads into pre-drilled holes in light metals and steel. The triangular shaped tip design allows the thread rolling screw to cold form the female thread into the work piece, so there is no need to pre tap the hole. These items are manufactured to DIN 7500, a standard that covers several head and drive types, including the pozi pan head in this section.

BZP

M2

M2.5

M3

M3.5

M4

M5

M6

Pozi Csk Thread Rolling Screws for Metal DIN 7500 Type ME-Z in Bright Zinc Plated (BZP) Steel

image chamfer for Pozi Csk Thread Rolling Screws for Metal DIN 7500 Type ME-Z

Pozi Csk Thread Rolling Screws for Metal DIN 7500 Type ME-Z in Bright Zinc Plated (BZP) Steel

Thread rolling screws are designed to tap their own threads into pre-drilled holes in light metals and steel. The triangular shaped tip design allows the thread rolling screw to cold form the female thread into the work piece, so there is no need to pre tap the hole. These items are manufactured to DIN 7500, a standard that covers several head and drive types, including the pozi countersunk head in this section.

BZP

M2.5

M3

M3.5

M4

M5

M6

M8

Six Lobe or Torx Pan Thread Rolling Screws for Metal DIN 7500 Type PE in Bright Zinc Plated (BZP) Steel

image chamfer for Six Lobe or Torx Pan Thread Rolling Screws for Metal DIN 7500 Type PE

Six Lobe or Torx Pan Thread Rolling Screws for Metal DIN 7500 Type PE in Bright Zinc Plated (BZP) Steel

Thread rolling screws are designed to tap their own threads into pre-drilled holes in light metals and steel. The triangular shaped tip design allows the thread rolling screw to cold form the female thread into the work piece, so there is no need to pre tap the hole. These items are manufactured to DIN 7500, a standard that covers several head and drive types, including the torx pan head in this section.

BZP

M2.5

M3

M3.5

M4

M5

M6

M8

Six Lobe or Torx Csk Thread Rolling Screws for Metal DIN 7500 Type ME-T in Bright Zinc Plated (BZP) Steel

image chamfer for Six Lobe or Torx Csk Thread Rolling Screws for Metal DIN 7500 Type ME-T

Six Lobe or Torx Csk Thread Rolling Screws for Metal DIN 7500 Type ME-T in Bright Zinc Plated (BZP) Steel

Thread rolling screws are designed to tap their own threads into pre-drilled holes in light metals and steel. The triangular shaped tip design allows the thread rolling screw to cold form the female thread into the work piece, so there is no need to pre tap the hole. These items are manufactured to DIN 7500, a standard that covers several head and drive types, including the countersunk head in this section.

BZP

M2.5

M3

M3.5

M4

M5

M6

M8

Socket Head Cap Thread Rolling Screws for Metal DIN 7500 Type EE in Bright Zinc Plated (BZP) Steel

image chamfer for Socket Head Cap Thread Rolling Screws for Metal DIN 7500 Type EE

Socket Head Cap Thread Rolling Screws for Metal DIN 7500 Type EE in Bright Zinc Plated (BZP) Steel

Thread rolling screws are designed to tap their own threads into pre-drilled holes in light metals and steel. The triangular shaped tip design allows the thread rolling screw to cold form the female thread into the work piece, so there is no need to pre tap the hole. These items are manufactured to DIN 7500, a standard that covers several head and drive types, including the socket cap head in this section

BZP

M4

M5

M6

M8

Hex Head Thread Rolling Screws for Metal, Similar to DIN 7500 in Bright Zinc Plated (BZP) Steel

image chamfer for Hex Head Thread Rolling Screws for Metal, Similar to DIN 7500

Hex Head Thread Rolling Screws for Metal, Similar to DIN 7500 in Bright Zinc Plated (BZP) Steel

Thread rolling screws are designed to tap their own threads into pre-drilled holes in light metals and steel. The triangular shaped tip design allows the thread rolling screw to cold form the female thread into the work piece, so there is no need to pre tap the hole. Thread rolling screws are defined in DIN 7500, but this standard does not mention this head type exactly, but this item conforms in every other respect.

BZP

M3

M4

M5

M6

M8

M10

Hex Head Tek Screws for Light Steel Section 1.2mm to 3.5mm

Standard hex headed self drilling screw or tek screw. Designed to attach to light section steel of 1.2mm to 3.5mm thickness. The lightest duty standard tek screw from Evolution - tek 3.

Hex Head Tek Screws for Light Steel Section 1.2mm to 3.5mm

Standard hex headed self drilling screw or tek screw. Designed to attach to light section steel of 1.2mm to 3.5mm thickness. The lightest duty standard tek screw from Evolution - tek 3.

Hex Head Tek Screws for Heavy Steel Section 4.0mm to 12.5mm

A heavier duty standard hex headed self drilling screw or tek screw for attaching to heavy steel section of thickness between 4.0mm and 12.5mm. Medium to heavy duty tek screw - tek 5.

Evo

A2

BZP

Hex Head Tek Screws for Heavy Steel Section 4.0mm to 12.5mm

A heavier duty standard hex headed self drilling screw or tek screw for attaching to heavy steel section of thickness between 4.0mm and 12.5mm. Medium to heavy duty tek screw - tek 5.

Evo

A2

BZP

Hex Head Super Tek Screws for Very Heavy Steel Section

This section includes the heaviest duty tek screws available from Evolution - tek 6, tek 7, tek 8 and tek 10. All of the screws from this section can drill through 18mm of steel with the tek 10 able to drill and screw up to 35mm of steel. Integrated washers are available on some of the range here.

Evo

Hex Head Super Tek Screws for Very Heavy Steel Section

This section includes the heaviest duty tek screws available from Evolution - tek 6, tek 7, tek 8 and tek 10. All of the screws from this section can drill through 18mm of steel with the tek 10 able to drill and screw up to 35mm of steel. Integrated washers are available on some of the range here.

Evo

Hex Head Tek Screws for Light Steel Section 1.2mm to 3.5mm with Bonded EPDM Washer

A version of the standard hex headed self drilling screw or tek screw, tek 3, with the addition of an EDPM bonded washer for applications that require a waterproof seal. For fixing to light steel section of between 1.2mm and 3.5mm thickness.

Hex Head Tek Screws for Light Steel Section 1.2mm to 3.5mm with Bonded EPDM Washer

A version of the standard hex headed self drilling screw or tek screw, tek 3, with the addition of an EDPM bonded washer for applications that require a waterproof seal. For fixing to light steel section of between 1.2mm and 3.5mm thickness.

Hex Head Tek Screws for Heavy Steel Section 4.0mm to 12.5mm with Bonded EPDM Washer

Identical to the heavier duty standard hex headed self drilling screw or tek screw, tek 5, with the addition of the integrated EPDM washer for situations where a waterproof seal is required. For attaching to heavy steel section of thickness between 4.0mm and 12.5mm.

Hex Head Tek Screws for Heavy Steel Section 4.0mm to 12.5mm with Bonded EPDM Washer

Identical to the heavier duty standard hex headed self drilling screw or tek screw, tek 5, with the addition of the integrated EPDM washer for situations where a waterproof seal is required. For attaching to heavy steel section of thickness between 4.0mm and 12.5mm.