Hexagon Flange Bolt Fine Pitch Thread Metric Full Shank Flat Upper

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Model NO.	ASME B 18.2.3.4M	Application	Machinery, Chemical Industry, Environmental, Building
Finish	Black, Blue-White Zinc-Plated	Surface	Black, Blue-White Zinc-Plated
Finsh	Zn, Black Oxidation	Industry Field	Construction, Automobile, Machinery, Equipment
Range	M3-M48	Packing	25kg Bulk Packing
Label	OEM	with Pallet	Yes
Transport Package	Wooden Pallet Packing	Specification	M3-M48
Trademark	N/M	Origin	China
HS Code	7318150000	Production Capacity	60000/Ton/Year

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Product Description

Company Info.

Overview
Product Parameters
Manufacturing Process
Packaging & Shipping
Company Profile

Product Description

Stainless Steel Hex Socket Cap Head Bolts with Flange High Strength Tension from Chinese Factory

Material	Alloy Steel, Carben steel, Titanium, Stainless steel, etc
Grade	8.8, 10.9, 12.9
Finish	Plain(Black oxide), Zinc Plated(White/Yellow), H.D.G and etc.
Thread	Metric, UNC, UNF, BSW
Standard	ISO, DIN, ASME, JIS, BS and Non-standard
Packing	1. Bulk in cartons (25-30kg Max.)+wooden pallet 2. Small Boxes into outer carton + wooden pallet 3. According to customer special demand
LeadTime	30-45 work days after order confirmed

How to make a socket head cap screw ?

* After acid cleaning,we will delivery to the wire Drawing workshop for Drawing.

* Then transfer to the cold heading machine to make the hexagon head.(here we can do the head marking, Knurling or not Knurling here). if over M24, our machine will very biggest, you see~~

Thread rolling

* Then send to the heat treatment workshop to do the most important step--Heat treatment and with black.

Znic plated products are processed in plating factory.
HRC Test is applied for quality control.

HRC PERFECT!! Free samples can be sent to customerrs for quality check if needed.

Ordinary package: 25kg bulk packing / small box inner carton, OEM accepted.
Label: as customer request.
Port of loading: Shanghai, China

Hunan Gurth Technology Co., Ltd is specialized in R&D and manufacturing of fasteners with 2 production bases in Wenzhou and Hunan, with a number of experts and technicians engaged in hardware industries for more than 20 years. Our main products include:

[ Socket head cap screw DIN912 8.8,10.9,12.9 ]
[ Set screw Din916 DIN913,DIN914 ]
[ Flat cap screw DIN7991 ]
[ Button cap screw ISO7380 ]
[ Hex bolts DIN933,DIN931 8.8,10.9,12.9 ]
[ Flange bolts DIN6921 ]
[ Nut DIN934,DIN982,DIN985,DIN6923 ]
[ Anchor ]
[ Rod thread ]
[ Washer ]

Through the years, we are consistently committed to supporting clients with better quality and price. We look forward to cooperating with distributors and dealers in each territory.