Round Head Bolts

As one of professional manufacturers in China, DONGSHAO would like to provide you Round Head Bolts. And we will offer you the best after-sale service and timely delivery.

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Product Description

Hebei Dongshao Fastener Manufacturing Co., Ltd. is a well-known supplier and manufacturer of round head bolts in China.

The main feature of the round head bolt produced by the company is that the head is in a semicircle condition, and the semicircle head is prominent after screwing the fastener. This design makes the round head bolt very advantageous when disassembling, as it is easy to grasp by hand or other tools. In addition, the head of the round head bolt is round, and the side looks semicircular, which makes it more visually beautiful, especially when applied to some occasions with high appearance requirements.

In terms of material usage, the same specifications of pan head screws and round head screws, round head screws from the volume, weight, surface area, etc., are significantly larger than pan head screws. This is because the head design of the round head screw requires more material to fill.

Round head bolts are made of high-quality materials, with high strength and corrosion resistance, can withstand the harsh use environment and conditions, round head bolts can be widely used in automotive, construction, mechanical and electronic fields, for fastening, connecting or electrical fixing has a wide range of uses.

Product Parameter

(inch)	#10	1/4	5/16	3/8	7/16	1/2	5/8	3/4	7/8	1
P	24\|32	20\|28\|32	18\|24\|32	16\|24\|32	14\|20\|28	13\|20\|28	11\|18\|24	10\|16\|20	9\|14\|20	8\|12\|20
ds max	0.199	0.26	0.324	0.388	0.452	0.515	0.642	0.768	0.895	1.022
ds min	0.182	0.237	0.298	0.36	0.421	0.483	0.605	0.729	0.852	0.976
dk max	0.469	0.594	0.719	0.844	0.969	1.094	1.344	1.594	1.844	2.094
dk min	0.438	0.563	0.688	0.782	0.907	1.032	1.219	1.469	1.719	1.969
k max	0.114	0.145	0.176	0.208	0.239	0.27	0.344	0.406	0.469	0.531
k min	0.094	0.125	0.156	0.188	0.219	0.25	0.313	0.375	0.438	0.5
r max	0.031	0.031	0.031	0.031	0.031	0.031	0.062	0.062	0.062	0.062