OEM	Available
Material	stainless steel, titanium steel, alloy steel, brass, etc.
Surface	ordinary, polished, galvanized, black oxide.
Intensity Class	4.8
Place of origin	Hebei Yongnian
Processing services	molding, cutting
Application	Sealed
Size	Customized size
Usage example	Free
Color	various, according to customization
Production basis	existing drawings or samples
Delivery time	10-25 working days
Applications	automotive, machinery and equipment, construction, etc
Packing	carton + bubble film
Mode of transportation	sea, air, etc

specification		(39)	42	(45)	48	(52)	56	64
d	Min = Nominal	40.4	43.4	46.4	49.4	54	58	66
	maximum	41.02	44.02	47.02	50.02	54.74	58.74	66.74
dc	minimum	70.8	76.8	83.6	90.6	98.4	103.6	113.6
	Maximum value = nominal	72	78	85	92	100	105	115
h	Nominal	6	8	8	8	10	10	10
	maximum	6.6	9.2	9.2	9.2	11.2	11.2	11.2
	minimum	5.4	6.8	6.8	6.8	8.8	8.8	8.8
c	Min = Nominal	3	3	3.4	3.4	4	4	4.5
	maximum	3.5	3.5	4	4	4.5	4.5	5
c1	minimum	1.25	1.5	1.5	1.5	2	2	2
	maximum	2.5	3	3	3	4	4	4

A variety of products, providing a variety of shapes, sizes and materials of products, including carbon steel, stainless steel, brass, aluminum alloys, etc. for everyone to choose, according to customer needs to customize special specifications, quality and quantity. We adhere to quality control, in line with the "quality first, customer first" principle, and constantly seek more excellent and thoughtful service. Maintaining the company's reputation and meeting the needs of our customers is our goal.Q: What is Your Main Pro Ducts? A: Our Main Products Are Fasteners: Bolts, Screws, Rods, Nuts, Washers, Anchors and Rivets.meantime, Our Company Also Produces Stamping Parts and Machined Parts. Q: How to Ensure That Every Process's Quality A: Every Process Will Be Checked by Our Quality Inspection Department Which Insures Every Product's Quality. In The Production of Products, We Will Personally Go to the Factory To Check the Quality of Products. Q: How Long is Your Delivery Time? A: Our Delivery Time is Generally 30 to 45 Days. or According to the Quantity. Q: What is Your Payment Method? A: 30% Value of T/t in Advance and Other 70% Balance on B/l Copy. For Small Order Less Than1000usd, Would Suggest You Pay 100% In Advance to Reduce the Bank Charges. Q: Can You Provide a Sample? A: Sure, Our Sample is Provided Free of Charge, but Not Including Courier Fees.