
Sleeve Nuts for Mining
Their performance and appearance will be better than the casting nuts.
General thread profiles is T thread, R thread, G thread, metric thread etc.
Product Introduction
Product Introduction
● Their performance and appearance will be better than the casting nuts.
● General thread profiles is T thread, R thread, G thread, metric thread etc.
● Steel coupling nuts are assembled with thread bars are widely used in the mining ground support, tunneling ground support, construction, formworks, etc.
Product Parameter (Specification)

Item No. | Size | D | L | ||||
# | inch | mm | inch | mm | inch | mm | |
CLC022-1 | 6 | 3/4” | 19 | 1.42 | 36 | 4.13 | 105 |
CLC022-2 | 7 | 7/8” | 22 | 1.5 | 38 | 4.33 | 110 |
CLC022-3 | 8 | 1” | 2225 | 1.57 | 40 | 4.72 | 120 |
CLC022-4 | 9 | 1-1/8” | 28 | 1.77 | 45 | 4.92 | 125 |
CLC022-5 | 10 | 1-1/4” | 32 | 2.05 | 52 | 5.51 | 140 |
CLC022-6 | 11 | 1-3/8” | 36 | 2.36 | 60 | 5.91 | 150 |
CLC022-7 | 14 | 1-3/4” | 43 | 3.15 | 80 | 7.68 | 195 |
CLC022-8 | 18 | 2-1/4” | 57 | 3.74 | 95 | 8.66 | 220 |
CLC022-9 | 20 | 2-1/2” | 63.5 | 4.02 | 102 | 10.24 | 260 |
Products Details
Steel coupling nut is used for the connection of two thread bars. It enable bolts to be joined to enable longer length bolting in confined spaces. Steel coupling nuts could be round and hexagonal.

Product Qualification
● Taizhou changlong fasteners Co.,Ltd passed ISO9001.

Production Procedure

Factory Review
We are a factory good at manufacturing thread bar/rock bolt accessories such as steel dome nuts, hex nuts, flange nuts, square nuts, hanger nuts, dome ball washer, pull collar, friction bolt rings, scaling bars and coupler etc.




Deliver, Shipping and Serving
● Packing Details: normally packed in the plywood pallets and steel pallets.
● Lead-time: 45days in general.
● Shipment: delivery through Ningbo seaport and airport, shanghai seaport and airport.
● Serving: we have a professional, enthusiastic and responsible sales team make a great/timely service.
FAQ
Q1: What is the term of Payment?
A: T/T, L/C, Western Union, Paypal; 30% T/T in advance, 70% against copy of B/L.
Q2: Packaging & Shipping:
A: Packing: wooden pallet, wooden case or with outer carton, or as per customers' specific requirements.
Q3: When can I get the price?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or inform us by email, so that we will regard your inquiry in priority.
Q4: Where is your company?
A: We are located in Taizhou, Zhejiang Province, very convenient for shipping.
Q5: How long can I expect to get the sample?
A: Samples will be free of charge if we have stock, and can send to you immediately.
If we have to make the new samples for you, it takes about 5 days.
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