Carbon Steel A307A Gr. a Square Head Bolts

Product Details
Customization: Available
Material: Carbon Steel
Type: Square Head
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  • Carbon Steel A307A Gr. a Square Head Bolts
  • Carbon Steel A307A Gr. a Square Head Bolts
  • Carbon Steel A307A Gr. a Square Head Bolts
  • Carbon Steel A307A Gr. a Square Head Bolts
  • Carbon Steel A307A Gr. a Square Head Bolts
  • Carbon Steel A307A Gr. a Square Head Bolts
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  • Overview
  • Product Description
  • About Us
  • Recommend Bolts and Nuts
  • Our Factory
  • Test Equipment and Reports
  • Packaging&Transportation
  • Our Advantages
  • FAQ
Overview

Basic Info.

Head Style
Square
Standard
DIN, ANSI
Grade
307A
Application
Machinery, Chemical Industry, Environmental, Building
Finish
Black
Transport Package
Bulk in Cartons+ Wooden Pallet
Specification
1/4"-3", M5-M64
Trademark
HR
Origin
China
HS Code
731815
Production Capacity
1000 Ton/Month

Product Description

Product Description

Carbon Steel A307A Gr. a Square Head Bolts
Product Name Square bolt;square head machine bolt
Standard ASTM B18.2.1
Material carbon steel, alloy steel, stainless steel, brass, Aluminium, copper, etc.
Grade ASTM A307 Grade A, SAE J429 Gr.1, 5, 8; CL 4.8, 8.8, 10.9, 12.9
Size 1/4"-3", M5-M64
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
  
Carbon Steel A307A Gr. a Square Head Bolts
Carbon Steel A307A Gr. a Square Head Bolts
Carbon Steel A307A Gr. a Square Head Bolts
Carbon Steel A307A Gr. a Square Head Bolts
Carbon Steel A307A Gr. a Square Head Bolts
 
About Us

Carbon Steel A307A Gr. a Square Head BoltsCarbon Steel A307A Gr. a Square Head Bolts
Carbon Steel A307A Gr. a Square Head Bolts
Shanghai Hengrui Industry Co., Ltd was established with supplying professional technical support, and high product quality, consistency and excellent customer service for our customers. We are located in Shanghai, close to Shanghai port, specializing in standard & non-standard fasteners and custom finish turning/machining parts, and stamping parts.
Win-Win cooperation is our culture, strictly control product quality, delivery time and offer good service to our customers, we won many big project clients in USA, Canada and European countries,  as well as some big distributors worldwide.
Recommend Bolts and Nuts
Carbon Steel A307A Gr. a Square Head Bolts
Carbon Steel A307A Gr. a Square Head Bolts
Carbon Steel A307A Gr. a Square Head Bolts1. 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.
Our Factory
Carbon Steel A307A Gr. a Square Head BoltsCarbon Steel A307A Gr. a Square Head Bolts
Test Equipment and Reports
Carbon Steel A307A Gr. a Square Head BoltsCarbon Steel A307A Gr. a Square Head BoltsCarbon Steel A307A Gr. a Square Head Bolts
Packaging&Transportation
Carbon Steel A307A Gr. a Square Head BoltsCarbon Steel A307A Gr. a Square Head Bolts
Our Advantages
Carbon Steel A307A Gr. a Square Head Bolts* 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
Carbon Steel A307A Gr. a Square Head Bolts1.Why choose Shanghai Hengrui?
Shanghai Hengrui Industry Co., Ltd was founed in 2020, and we are VIP member in Made-In-China for more than 3 years.
Our sales and technical staff have more than 10 years in fastener industry, can offer your professional service, now we have built cooperation relationship with many customers in projects, even Municipal projects from USA and Canada.

2.How to guarantee the quality?
Testing will run through the entire processes, from retest of raw material, and random inspection in each production step, and final inspection for finished production. Hengrui issue material test reports and inspection reports before shipment, also can send products to the third party to inspect according to the clients' requirement.

3.Could you provide free samples?
1)For standard fasteners, samples are offered for free, clients only need pay the freight cost.
2)For non standard fasteners, samples are offered after paying the moulding fee.

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

5.What is the delivery time?
20 -45 days in generally,  the precise delivery time based on the detailed order.

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