Our Products

Xinxiang Changling Metal Products Co.,Ltd. is a specialized manufacturer with products of Threaded Inserts, Thread Repair Kits, Drill, Tap, Ring Gauge, Plug Gauge, etc.

We have passed ISO9001-2008 in 2005.and keep improving the quality everyday. We have been always trying our best to provide our customers with high quality, the best price and satisfactory services.

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Product Application

(1)Threaded Insert

Wire thread insert is a fastener element that is inserted into an substrate hole to restore the damaged threaded hole or improve the strength of the thread hole.

It is made of high strength, precision, corrosion resistant and diamond-shaped stainless steel wire

(2)Thread Repair kit

Professional Thread Repair Kit Restoring Damaged Threads. Ideal for restoring damaged threads, suitable for engine and other automotive applications. High impact metal case included.

(3) Plug Gauge

Thread Plug Gauges are used to gauge threaded holes before insertion of screw thread inserts.

Thread plug gauges check the size of internal threads to ensure the threads are within its designed tolerance limits.

(4) Ring Gauge

Ring gauge is used for checking the external dimensions of manufactured thread inserts.

Gauges are ring lapped to provide superior accuracy and wearability.

Gauge can be applied to the minimum of the GO and  the maximum of the NO GO.

(5) Tap

Specially for wire thread inserts,key locking inserts.

 

•Made from select high speed steel.

 

•Used by hand or general machine tapping or with CNC machines.

 

•Available to three chamfer lengths for through-hole or blind-hole tapping.

 

•Available in a variety of platings.

 

•Threads types:M,MF,G,BSW,UNC,UNF.

 

•Available individually and contained in a set.

 

•Most sizes in the stock.

(6) Drill


Made of high-speed steel with a necked design.

 

Faster spiral flutes improve the efficiency of chipping operation and span wider space of the hole while tapping

 

Achieve excellent results in deepening blind holes

 

Plug chamfer taps have 3 to 5 pitches; bottoming chamfer taps have 1 to 2 pitches.


Production  Market

East Europe : 30%

East Asia : 30%

South Europe : 10%


Exhibition

 the Canton Fair

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The China International Hardware Show

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Our Company

ChangLing (CLCOIL )has been already recognized as one of the three largest threading insert companies,located in XinXiang City which is a strong industrial city in the middle of China.  Our company has advanced CNC winding machines , large-sized projectors, electronic microscope, etc. From establishment till now,Our company is dedicated to R&D of thread bushing, self tapping insert, key locking insert . And we aim at developing mid-market and high-end market products in the world, via choosing foreign high-quality materials and the world's cutting-edge control techniques. Our products are recognized by all customers after being put into the market.CLCOIL is committed to becoming the first-class brand of Screw Insert in the world with concept of honesty & spirit of creation.

Our slogan is "quality determines the brand of CLCOIL; credibility continues our cooperation".

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