Plain Steel 12 Point Flange Screw

Selecting the Xiaoguo® Plain Steel 12 Point Flange Screw ensures long service life and good stability. These screws have high torque, built-in flanges, and are compact and anti-loosening, suitable for heavy-duty applications. We are a professional factory of Plain Steel 12 Point Flange Screw, offering wholesale and bulk order services.

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Product Description

This Plain Steel 12 Point Flange Screw is manufactured according to standard industrial specifications and grades, and is suitable for most routine assembly and maintenance tasks. All specifications follow common industry standards - the pitch of the thread, the length of the shaft, and the size of the head are all consistent, so it can be perfectly matched with standard tools and accessories without any issues. The product itself has stable tensile strength and torque resistance, and is suitable for heavy-duty daily use. We do not offer overly customized or special grades here; only practical standard options are provided, suitable for daily industrial work, automotive maintenance, mechanical assembly, and basic construction projects. We cover common diameters and lengths to meet typical project requirements. Each product is manufactured strictly according to the listed specifications, with completely consistent dimensions, and installation does not require guessing or matching problems.

Product Quality Assurance

We run quality checks at key steps during production to keep performance consistent and cut down on defects. Every Plain Steel 12 Point Flange Screw gets basic inspections for size accuracy, material quality, and surface finish to meet standard quality levels. We follow strict production rules to avoid flaws like uneven threads, poor material, or bad shaping that might make the fastener hard to use. We don’t make over-the-top warranty promises, but every unit is tested to hold up under normal working loads and regular use. Defective pieces are sorted out before shipping, and we back up the consistency of our product. If there are any quality issues with the product that do not meet our specified standards, we will promptly address them to ensure your normal use. This is our recognition of your responsible performance in dealing with the product.

Plain Steel 12 Point Flange Screw

Mon	M5	M6	M8	M10	M12	M14	M16	M20
P	0.8	1	1.25	1.5	1.75	2	2	2.5
ds max	5	6	8	10	12	14	16	20
ds min	4.82	5.82	7.78	9.78	11.73	13.73	15.73	19.67
dc max	9.4	11.3	15	18.6	22.8	26.4	30.3	37.4
h min	1.7	2.1	2.7	3.4	4.1	4.8	5.7	7.2
k max	5	6	8	10	12	14	16	20
d1 max	5.86	7.02	9.37	11.7	14.04	16.29	18.71	23.4
d1 min	5.71	6.82	9.17	11.5	13.84	16.06	18.48	23.17
d2 max	5.22	6.26	8.34	10.42	12.5	14.59	16.66	20.83
d2 min	5.07	6.06	8.14	10.22	12.3	14.36	16.43	20.6
da max	6.1	7.4	10.1	12.5	15.7	18.1	20.5	26.1
Lf max	1.4	1.6	2.1	2.1	2.1	2.1	3.2	4.2
r max	0.25	0.29	0.36	0.45	0.54	0.63	0.72	0.9
r min	0.1	0.12	0.16	0.2	0.24	0.28	0.32	0.4
ds1 max	4.54	5.39	7.26	9.08	10.95	12.77	14.77	18.49
ds1 min	4.36	5.21	7.04	8.86	10.68	12.5	14.5	18.16
L1 max	3.5	4	5	6	7	8	9	11
L1 min	2.5	3	4	5	6	7	8	10

Q&A session

Is this Plain Steel 12 Point Flange Screw suitable for outdoor use?

This plain steel version is designed for indoor or covered dry environments. It has no extra anti-corrosion coating, so prolonged outdoor exposure to moisture or rain may cause rust. If you need outdoor use, we can recommend optional surface treatment upgrades at a small extra cost to improve weather resistance for long-term outdoor applications.