Screws with machine threads for use with a nut or in a tapped hole. Machine screws that are slotted have the traditional slot that runs horizontally through the middle of the head and is intended for use with a flat blade screwdriver bit.

Head types

Slotted CHS

A machine screw with a traditional slot drive and a flat topped near cylindrical shaped head.

Standards applicable

• BIS – IS 1366
• DIN 84
• ISO 1207

Materials – Steel, Stainless Steel
Sizes – From M1.6

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Slotted PAN

Similar to the Cheese Head Screw, but with a larger head diameter and a slightly different head profile with a thinner head.

Applicable Standards:

• DIN 85
• ISO 1580
• NFE 25-128

Materials – Steel, Stainless Steel.

 

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Slotted CSK

A slot drive, countersunk headed screw, typically used in conjunction with a countersunk hole which provides a flush, snag free fit.

Applicable Standards

• IS 1365
• DIN 963
• ISO 2009

Materials – Steel, Stainless Steel

 

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Slotted Truss head [Mushroom head]

 

A wide headed, lower profile screw with a traditional slot drive. Used for bolting softer materials. This unusual fastener is always manufactured with a full thread.

Applicable Standard

NF E27-128

Materials – Stainless Steel

SS-304 A2 – Download Datasheet