Fastener Zinc Plated Mushroom Head Square Neck Bolt Carriage Bolts

• Customization: Available
• Material: Carbon Steel
• Type: Mushroom Head
• Model NO.: carriage bolt-23
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, ANSI
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Hot Galvanizing
• Trade Term: EXW, Fob, CIF, DAP, DDU,DDP
• Sample: Offered
• Certificate: ISO9001
• Customized: Yes, According Your Drawing
• Quality Control: 100% Full Inspection
• Transport Package: Bulk in Carton+Pallet
• Specification: 1/4-1′′/ M5-M20
• Trademark: HR
• Origin: China
• HS Code: 731815
• Production Capacity: 1000 Ton/Month

Product Description

Product Description

Product Name	Carriage Bolts/ Round head square neck bolt
Standard	ASTM B18.5, DIN603 DIN608
Material	carbon steel, alloy steel, stainless steel, etc.
Grade	ASTM A307 Grade A, SAE J429 Gr.2, 5, 8; CL 4.8, 8.8, 10.9, 12.9
Size	1/4-1" / M5-M20
Surface treatment:	plain/bare, clear zinc, blue zinc, yellow zinc, black zinc, HDG, black oxide
Delivery time	25-45 days after down payment
Payment	By T/T, 30% down payment, and balance before shipment
Trade term	EXW, FOB, CFR, CIF, DAP, DDU, DDP
Package	1) bulk in cartons+ wooden pallet;  2) bulk in steel pails +wooden pallet; 3) bulk in wooden cases; 4) tip up by plastic bag+ steel pallet, 5) according to customer's special requirement

Welcome to Shanghai Hengrui Industry Co., LTD

Founded in 2020, Shanghai Hengrui is a professional manufactuer for standard and non standard fastener, like bolts, screws, nuts, washers, as well as stamping parts and turning parts, with many different materials, like carbon steel, stainless steel, brass, aluminum, titanium, special alloy steel, etc.

 

Recommend Bolts and Nuts

1. Bolts: hex bolt, hex cap screw, heavy hex bolt, heavy hex structural bolt, carriage bolt, hex flange bolt, square nuts, plow bolt, step bolt, shoulder bolt, tower bolt, timber bolt, guardrail bolt, hex socket cap screw.

2. Nuts: hex nut, heavy hex nut, square nut,hex flange nut, hex nylon lock nut, slotted nut, eye nut, hex cap nut, caps nut.

3. Washers: flat washer/ plain washer, fender washer, taper bolt, square washer, helical spring-lock washer, hardened steel washers, external / internal tooth lock washer.

Factory equipment

Test Equipment and Reports

Packaging & Shipping

Our Advantages

* Strong Technical support: our engineer in fastener industry for about 20 years are hear for you.

* With 50 friend factories support, we can customize many non-standard fasteners according to the drawings or samples, as well as turning parts and stamping parts.

* 10 years' experience in international trading industry.

* Our company policy: Product quality>lead time>pricing, welcome the customers which have the same belief to inquiry to us!
Looking forwarding to cooperate with you, we will use our best service to prove your choice right!

FAQ

1.Why choose Shanghai Hengrui?
Rich experience: we have more than 10-years staff to support all technical issues and sales issues.
Reputation: many of our customer are the project customers, especially in Municipal Projects.

2.What's MOQ?
900kg/size for bolt, 500kg/size for nut and washer

3.What's the payment?
By T/T, 30% down payment, and balance before shipment

4.What is the delivery time?
30-45 days in generally,  the precise delivery time based on the detailed order

5.How to guarantee the quality?
For non standard products, the samples to be sent to customer before mass production.
and the material test report and inspection report will be sent to customer before shipment.