
Steel Square Nut for Mining
Square nut is a four-sided nut. Compared to standard hex nuts, square nuts have agreater surface in contact with the part being fastened, and therefore provide greater resistance to loosening (though also greater resistance to tightening).
Product Introduction
Product Introduction
● Nuts hot forged
● Material: GB 45
● Free from flash and surgace defects
● Alternate Finishes Available
Product Parameter (Specification)

Item No. | Size | A | B | C |
CLSN018-1 | M5 | 11.3 | 8 | 4 |
CLSN018-2 | M6 | 14.1 | 10 | 5 |
CLSN018-3 | M8 | 18.4 | 13 | 6.5 |
CLSN018-4 | M10 | 24 | 17 | 8 |
CLSN018-5 | M12 | 26.9 | 19 | 10 |
CLSN018-6 | M16 | 33.9 | 24 | 13 |
CLSN018-7 | M20 | 42.4 | 30 | 16 |
Products Details

Production Procedure

Product Qualification
● We are ISO9001 qualified

Our History
Taizhou Changlong Fasteners Co. Ltd, located in Taizhou City Zhejiang Provice, is established in the year 1995. With more than 20 years development, now we become a medium-sized factory from a small works shop.
Our Tenet: market-oriented, Quality is the life, integrity and development.
Our Principle: Strength makes famous brand and quality wins high credit.
To do business with integrity, To achieve the best results.




Deliver, Shipping and Serving
Packing Details: Cartons or Pallets or according to customers' enquierment.
Delivery Time: About 30 days or if we have the goods in our stock, we will deliver in a week..
Delivery Term: FOB or CIF or CFR/CNF.
Shipment: By air express/by express/by sea options.

FAQ
Q1: Packaging & Shipping:
Packing: wooden pallet, wooden case or with outer carton, or as per customers' specific requirements.
Q2: What are your main products?
Dielectric union and rock bolt accessories, like spherical nut, hex nut, spherical washer etc
Q3: What is the term of Payment?
T/T, L/C, Western Union, Paypal; 30% T/T in advance, 70% against copy of B/L.
Q4. Where is your company?
We are located in Taizhou, Zhejiang Province, very convenient for shipping.
Q5: Are you a manufacturer or trading company?
A: We are a manufacturer.
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