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Pan Head Machine Screws

Pan Head Machine Screws have rounded edges to the head and finish on top of the surface. They are available with the following popular drive variants; Slotted, Pozi, Phillips and Torx. Invariably fully threaded, pan head machine screws are a multi-purpose screw with a raised head shape sitting proud of the surface, rather than being sunk into it. Also known as Cheese Head in some countries, but this is not necessarily an accurate description, as the head shape differs from the cheese head shape we know and love. Pan Head Machine Screws are used in many electronic applications and is a good all round fixing. Available in A2 stainless, A4 and in some cases Low Carbon Steel.

Fastener Material Key
A1	A1 Stainless Steel - Also known as grade 303. A general purpose grade of stainless steel but with better fabrication/machining properties than grade 304.
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.
BRASS	Brass - Offers an attractive, corrosion resistant finish.
BZP	Bright Zinc Plated (BZP) Steel - Non-stainless standard steel grade offering a basic level of corrosion resistance.
Nylon	Plastic (Nylon Polyamide) - A tough lightweight plastic, strong at low temperatures, with excellent resistance to chemicals, and features favourable sliding friction behaviour.

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image chamfer for Phillips Pan Head Machine Screws DIN 7985 H

Phillips Pan Head Machine Screws DIN 7985 H in A2 Stainless Steel

A Machine screw with a phillips drive, designed to be tightened with a screwdriver. Typically found on consumer electronics and other small machinery where high torque fasteners are not necessary. Conforms with DIN 7985. Sometimes considered more attractive than a pozidriv equivalent.

M2.5

image chamfer for Pozi Pan Head Machine Screws DIN 7985 Z

Pozi Pan Head Machine Screws DIN 7985 Z in A2 Stainless Steel

A Machine screw with a pozi drive, designed to be tightened with a screwdriver. Typically found on consumer electronics and other small machinery where high torque fasteners are not necessary. Conforms with DIN 7985.

BZP

M2.5

M3.5

image chamfer for Slotted Pan Head Machine Screws DIN 85

Slotted Pan Head Machine Screws DIN 85 in A2 Stainless Steel

Similar to DIN 84, but with a larger head diameter and a slightly different head profile. Manufactured to ISO 1580 or DIN 85. Please note that due to manufacturing limitations, all nylon variants of these items are only "similar to" and not "in absolute accordance with" the standard specified.

BRASS

Nylon

M2.5

M3.5

image chamfer for Slotted Large Pan Head Screw DIN 921

Slotted Large Pan Head Screw DIN 921 in A1 Stainless Steel

These large diameter headed screws offer excellent load distribution and an aesthetically pleasing low-profile head. The wide head also eliminates the need for a washer. Installed using a flat head screwdriver, the slotted pan head screw is useful in situations where a thumbscrew or a standard pan head screw is not suitable.

image chamfer for Torx Pan Head Screws Sim. DIN 7985

Torx Pan Head Screws Sim. DIN 7985 in A2 Stainless Steel

Also known as star, 6 lobe, and hexalobular internal. Torx screws are commonly found on cars, motorcycles, bicycle brake systems, hard disk drives, computer systems and consumer electronics and are becoming increasingly popular. Once, they were typically used in applications requiring tamper resistance; as drivers became more common, specific tamper-resistant variants were developed. The Torx design allows for a higher torque to be exerted than a similarly sized conventional hex socket head. Conforms with DIN 7985.

M2.5

image chamfer for UNC Phillips Pan Head Machine Screws ASME B18.6.3

UNC Phillips Pan Head Machine Screws ASME B18.6.3 in A2 Stainless Steel

BZP

2-56

3-48

4-40

5-40

6-32

8-32

10-24

12-24

5/16

image chamfer for UNF Phillips Pan Head Machine Screws ASME B18.6.3

UNF Phillips Pan Head Machine Screws ASME B18.6.3 in A2 Stainless Steel

3-56

10-32

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