Type F Slotted Pan Head Tapping Screw

The type F slotted pan head tapping screws produced by Xiaoguo® factory comply with the execution standard of GB/T 5282-1985. They are usually used to fix lids, supports or lightweight components. If you wish to test the quality, we can send you samples for free.

Model:GB/T 5282-1985

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Product Description

The head of type F slotted pan head tapping screw is in the shape of a pan, with a flat top and smooth edges. There is a single slot in the middle, which is suitable for screwdriver operation. The screw has a special thread that enables it to cut into the material by itself during installation.

Product Features

Type F slotted pan head tapping screws feature our familiar circular head and a slot for flat-head screwdrivers. When screwing in the screws, they will self-tap. If you don't need a smooth surface, you can use them. The head can protrude, which is very suitable for many distribution boxes, plastic enclosures or fixed decorative strips.

F-type slotted pan head tapping screws combine self-tapping fine threads (F type), round heads, and simple slotting drive. They are the preferred choice for basic screws in old equipment maintenance, plastic components, or lamps that require non-tearing materials. They are most suitable for softer materials because their threads are finer and will not damage materials such as plastic.

Type F Slotted Pan Head Tapping Screw parameter

Mon	ST2.2	ST2.9	ST3.5	ST4.2	ST4.8	ST5.5	ST6.3	ST8	ST9.5
P	0.8	1.1	1.3	1.4	1.6	1.8	1.8	2.1	2.1
a max	0.8	1.1	1.3	1.4	1.6	1.8	1.8	2.1	2.1
da max	2.8	3.5	4.1	4.9	5.5	6.3	7.1	9.2	10.7
dk max	4	5.6	7	8	9.5	11	12	16	20
dk min	3.7	5.3	6.6	7.6	9.1	10.6	11.6	15.6	19.5
k max	1.3	1.8	2.1	2.4	3	3.2	3.6	4.8	6
k min	1.1	1.6	1.9	2.2	2.7	2.9	3.3	4.5	5.7
n min	0.56	0.86	1.06	1.26	1.26	1.66	1.66	2.06	2.56
n max	0.7	1	1.2	1.51	1.51	1.91	1.91	2.31	2.81
r min	0.1	0.1	0.1	0.2	0.2	0.25	0.25	0.4	0.4
t min	0.5	0.7	0.8	1	1.2	1.3	1.4	1.9	2.4

The slot design of the F slotted pan head tapping screw is simple, but it requires careful insertion. Their shank heads are located above the surface, so they are not suitable for embedded installation. Choose them to fix components to plastic casings, fix wooden boards fixed on metal frames, or similar softer materials.

The diameter of the type F slotted pan head tapping screw is larger, generally 2-3 times the diameter of the screw shaft, which can provide better support and prevent material damage due to uneven force.The pitch of the thread is relatively wide, which results in less resistance when cutting into the material, making it less likely to cause material cracking. It is especially suitable for soft materials such as pine wood and plastics.