This specification covers chemical and mechanical requirements for eight grades of carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs, and other extrenally threaded patrs.

Product Description:

1. Standard No: ASTM A563 Heavy Hex Nuts 

2. Grade: C

3. Trademark:   M

4. Type:  Heavy Hex Structural Nuts

5. Head Style: Hexagonal

6. Size: 1/4”-4”

7. Material: Stainless steel, carbon steel, alloy steel

8. Surface: Plain, Black, ZP, ZY, H. D. G. etc.

9. Application: Machine industry, Constructions

10. Production Capacity: 1600ton/Month

Matched Bolts, Rods and Washers

1. Bolts:  ASTM A325/A490

2. Rods: ASTM A193

3. Washers: ASTM F436

Addition Information:

1. HS Code: 73181600

2. Samples: Free

3. Min order: 10000 Pieces

4. Trade Terms: FOB, CFR, CIF

5. Payment Terms: L/C, T/T

6. Packing:   25kgs Per Box, 36 Boxes Per Pallet

7. Delivery Lead Time: 30-35 days after received the 30% deposit

8. Export Markets: Global

9. Shipping: 30 days on receipt of PO   

Manufacturer claims:

(1) Competitive price with high quality

(2) In a Variety of Design

(3) Ensure delivery in time

(4) OEM Accepted

(5) Small order acceptable

(6) Customer's Design and Logo are Welcome