CE Marked Square Head Bolt

A CE Marked Square Head Bolt comes in various lengths and thread sizes, so you can find one that fits everything from small brackets to large steel beams. Many manufacturers in car making, building, and electronics buy from Xiaoguo because they know they’ll get reliable fasteners and good service.

Model:GB/T 8-1988

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Product Description

Before each CE Marked Square Head Bolt leaves the factory, we conduct inspections. We ensure that the threads are cut properly to fit perfectly with the nuts, and we perform pressure tests to guarantee that there will be no loosening or breaking when tightened. Each bolt will also be inspected to confirm that its shape is clean and uniform. We will randomly select some bolts from each batch and tighten them with higher force to see how much pressure they can withstand. For bolts with coatings, we check if the coatings are evenly applied - to ensure there are no missed areas that could lead to rust. Only bolts that pass all these tests will be shipped, so the bolts you receive are of high quality from the very beginning.

Mon	M10	M12	M14	M16	M18	M20	M22	M24	M27	M30	M36
P	1.5	1.75	2	2	2.5	2.5	2.5	3	3	3.5	4
ds min	9.03	10.86	12.70	14.70	16.38	18.38	20.38	22.05	25.05	27.73	33.40
ds max	10	12	14	16	18	20	22	24	27	30	36
e min	20.24	22.84	26.21	30.11	34.01	37.91	42.9	45.5	52	58.5	69.94
k min	6.55	7.55	8.55	9.25	11.1	12.1	13.1	14.1	16.1	17.95	21.95
k max	7.45	8.45	9.45	10.75	12.9	13.9	14.9	15.9	17.9	20.05	24.05
r min	0.4	0.6	0.6	0.6	0.8	0.8	0.8	0.8	1	1	1
s max	16	18	21	24	27	30	34	36	41	46	55
s min	15.57	17.57	20.16	23.16	26.16	29.16	33	35	40	45	53.8

Product Details Introduction

Our CE Marked Square Head Bolt all have multiple important certifications to prove their reliable quality. Product production strictly follows ISO 9001 standards, which ensures that each batch of products can be manufactured in a consistent and reliable manner. Our products boast multiple models that meet both DIN (European Standard) and ANSI (American Standard) requirements. Their dimensions and strength specifications meet global requirements and are suitable for use worldwide. For particularly high-strength bolts, we also comply with the ASTM F1554 standard – this standard directly determines that these bolts can be used in structural and heavy-duty applications. If you need to view the relevant documents, just let us know - we are more than happy to share them with you. This way, you can be sure that the bolts you purchase meet the standard requirements.

FAQ

Q: Do you offer custom-sized or non-standard CE Marked Square Head Bolt?

A: Yes, we have strong OEM capabilities. We can produce custom CE Marked Square Head Bolt according to your specific requirements, including non-standard lengths, uncommon rod sizes, or unique material grades. Please provide your detailed technical drawings, and our engineering team will review them to offer you a feasible solution and a competitive quote for custom square head bolts.

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