Ningbo OuKaiLuo Hardware Co.,Ltd.
Ningbo OuKaiLuo Hardware Co.,Ltd. Quality Fasteners & Service Provider
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Steel Specialty Bolts Yellow Zinc Plated Square Head T Head
| Material | Steel |
| Head Style | Square Head/T Head |
| Thread Type | Partially Thread / Full Thread |
| Finish | Yellow Zinc |
| Grade | 5.8 |
| Size | As customer's requires |
| Certification | ISO9001:2015, SGS, RoHS, Bureau Veritas |
| After-sale service | If there are any quality problems, please contact with us at once |
Product Description
Square head bolts are fasteners with a round threaded shank and a square head that allows for more tightening than a hex head. A square head bolt is often made from various grades of steel, such as grade 5 and grade 8, and this grade is indicated with markings on the square screw head. The higher the grade, the more strength it has. Square headed bolts may also include a finish or coating for corrosion resistance. Stainless steel square head bolts offer the strength of their steel counterparts, while also providing resistance to corrosion. Some may be mildly magnetic. Tensile strength and hardness, as well as any specifications met, should be indicated for each fastener. Most square head bolts include head height and width, which can help determine tightening capacity. They may mate with square nuts or fit
into an existing mechanical system.
If you are interested in Special Bolts, Please do not hesitate to email us or call us. Our professional team will make high quality fasteners as your drawing or sample.