Machine Screws

Mild Steel Machine Screws are available in CSK, Cheese, Raised CSK, Pan and Mushroom (Truss) heads in both Slotted and Phillips (Cross recessed) types.

These screws generally conform to property class 4.8 and are available in self colour and in zinc coated (blue passivation and yellow passivation) finishes. Screws with other finishes like zinc coating with trivalent finish, Nickle plating, Cadmium plating and Black phosphating are arranged against order.

Screws in property class 8.8 are also arranged against order.

SIZE RANGE and Specification

Slotted CSK head Machine Screws  

• 1/8” x 1/4” to 1” x 6” in BSW threads to BS 450-1958.
• M2 x 5mm to M24 x 150mm in metric threads to IS 1365-2005, DIN 963A and ISO 2009.
• 10BA x 1/4” to 0BA x 3” in BA threads.

Slotted Cheese head Machine Screws

• 1/8” x 1/4” to 3/8” x 6” in BSW threads to BS 450-1958.
• M2 x 5mm to M12 x 150mm in metric threads to IS 1366-2002, DIN 84 and ISO 1207.
• 10BA x 1/4” to 0BA x 3” in BA threads

Slotted Round Head Machine Screws

• 1/8” x 1/4” to 3/8” x 2” in BSW threads to BS 450-1958.
• M3 x 6mm to M6 x 50mm in metric threads

Slotted Raised CSK head Machine Screws

• M3.5 x 12mm to M10 x 50mm to IS 8911- 2005 ISO 2010 : 1994
  

Slotted Mushroom (Truss) head Machine Screws

• 1/4” x 1/2” to 6”
• M6 x 12mm to 100mm to IS 8822-1978
  

 Pan Phillips (Cross Recessed) head Machine Screws

• M2 x 4mm to M6 x 50mm to DIN 7985 and ISO 7045
  

 CSK Phillips (Cross Recessed) head Machine Screws

• M2 x 4mm to M6 x 50mm to DIN 965A and ISO 7046
  

 Truss Phillips (Cross Recessed) head Machine Screws

•  M3 x 6mm to M6 x 50mm