Product Introduction
● We are forged machined collar not casting.
● We produce them with 1045 material and HDG finish.
● Steel pull collar weld with the friction bolt are widely used in the mining ground support and tunneling ground support.
● My products are good for jumbos to do the pull test.
Product Parameter(specification)
Item No.SizeABCD1D2D3EF
CLPC02447mm7015195568493748
Products Details
Once installed load pull-out capacity can be tested as required by attaching a pull collar to the steel ring fixed to the collar end of the friction stabilizer and measuring with a pull testing unit. Friction stabilizer bolts can be installed with either hand held or mechanized equipment such as Jumbos.

Product qualification
● The factory is specialized in manufacturing special forged industrial fasteners(dome nuts, dome ball washer and hex nuts etc.) with 20yrs experience.
Production Procedure
Factory review
Taizhou Changlong Fasteners Co. Ltd is a factory good at forged fasteners which are widely used in the mining, tunneling, construction and formwork etc. Our factory covers about 15000sqm, which the floor space is about 10000sqm.

Deliver, shipping and serving
● Normally finish them in 30days and pack them in the plywood pallets.
● Serving: we have a professional, enthusiastic and responsible sales team make a great/timely service.
● Shipment: delivery through Ningbo seaport and airport, shanghai seaport and airport.
FAQ
Q1: Are you a trading company or manufacture?
A: We are factory.
Q2: What is your supply ability?
A: 100Tons per month.
Q3: Could you provide the mill certificate?
A: Yes.
Q4: Do you have official website?
A: Yes, http://www.clfasteners.com.
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website:http://www.clfasteners.com/rock-bolt-accessories/