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DIN8140 Stainless Steel Threaded Inserts 6-32 8-32 Helicoil Free Running

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Xinxiang Flight Fasteners Co., Ltd.

DIN8140 Stainless Steel Threaded Inserts 6-32 8-32 Helicoil Free Running

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City & Province xinxiang henan
Categories Other Fasteners
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Product Details

 

 

304SS DIN8140 Thread Inserts Free Running Enhanced Thread Connection Strength

 

 

Introduction

 

Wire thread insert is a new internal threaded fastener for threaded connection, and screwed into a threaded hole in the fastening member are connected in one, formed in standard thread, bolts (or screws) and then screwed wherein Also known as threaded wire sleeve, wire sleeve for short. It is a spring-like internal and external thread concentric body precisely processed with high-strength, high-precision, and smooth-surface cold-rolled diamond-shaped stainless steel wire. It is mainly used to enhance and protect the internal thread of low-strength materials. The principle is to form an elastic connection between the screw and the thread in the base, eliminate thread manufacturing errors, and improve the connection strength. Wire thread inserts are embedded in threaded holes of low-strength engineering materials such as aluminum, magnesium alloy, cast iron, glass steel, plastics, etc., and can form high-precision internal threads that meet international standards. They have high connection strength, earthquake resistance, impact resistance and wear resistance. Function, and can disperse stress to protect the base thread, greatly extend the service life of the base, and is widely used in electronic applications.

 

 

Specification

 

Type:

Free Running,Screw Lock

Finish

Natural colour,Green,Red,Blue

Application

Light alloy, heavy industry, medical treatment, foundry industry, others

Brand Name

AVIC-Flight

Standard

DIN8140,MS21209

Material

304 Stainless steel 1.4301,316 Stainless steel 1.4401,Inconel X750,Brass,Other

Installation

Direct installation

Name

Thread Inserts

Measurement system

Metric, Imperial (Inch)

Place of Origin

China

Model Number

M10*1.5D

Item name

Stainless steel Thread Inserts

Thread

ISO Metric, Unified, Whitworth

Internal Thread Size

M10

Options
Material304H321316Inconel X750
StandardDIN-8140MS-21209
ModelMetricM3M4M5M6M8M10M12M16
British6-328-3210-321/4-201/2-135/8-11
Length1d1.5d2d
AccuracyGreenRedGoldenBlueNonCustomized

 

Installation steps


1. Drilling
According to different specifications, choose the corresponding standard drill bit to drill. The depth of the hole is greater than or equal to the installation depth of the wire thread insert; be careful not to drill the hole into a cone, and the chips do not fall into it. After drilling, the counterbore should not exceed 0.4 pitch depth, because too large counterbore is not conducive to screwing in the wire thread insert.

 

2. Tapping
Use special taps for wire thread inserts marked with the specified thread specifications for tapping. The length of the tapping must exceed the length of the wire thread insert. For through holes, all taps must be tapped; the accuracy of the tapping determines the tolerance zone of the final standard internal screw hole. The user should choose the tapping method and lubrication appropriately, and the blind hole tapping should be applied with appropriate force to prevent the tap from breaking. After tapping, the threaded holes should be cleaned. Generally, a compressed air spray gun should be used. For blind holes, a long spray gun with radial holes should be used to clean from bottom to top. The threaded holes can also be cleaned by cleaning. When the precision of the threaded hole is high, use a special wire thread insert bottom hole plug gauge for inspection.

 

3. Installation
Under normal circumstances, the manual installer is used to install the wire thread insert. Put the wire thread insert into the installation tool, insert the mounting handle into the guide rod groove and turn the handle of the installation tool to screw the wire thread insert into the screw hole, and leave 0.25-0.75 circles of empty thread away from the surface. When installing a small amount of wire thread inserts and when installing coarse thread thread inserts above M14×2, you can use "T" type slotting or threaded head simple tools to install, and be careful not to apply a large axial force on the wire thread insert mounting handle To prevent "random deduction". After the wire thread insert is installed, in order to check the accuracy grade of the formed standard internal threaded hole, the corresponding grade plug gauge can be used for inspection.

 

4. Remove the handle
For wire threaded sleeves with broken grooves, the mounting handle should be removed after screwing into the screw hole, and a handle removal tool is required. In the case of through holes, the wire thread insert mounting handle should be broken. Generally, use a punch to align the mounting handle and use a hammer of about 200g to remove it. For coarse thread wire thread inserts above M18×2.5 and M14×1.25 The above fine-tooth steel wire thread inserts can be broken by bending the mounting handle up and down with needle-nose pliers. Then remove the broken mounting handle from the screw hole.
Note: If you use an automatic breaker, you only need to use the punch of the automatic breaker to press the wire thread sleeve installed in the bottom hole with appropriate force to break the installation handle.

 

5. Disassembly
Extend the tip of the remover into the hole of the wire sleeve, press the handle firmly, and turn it counterclockwise to remove the wire sleeve.

 

 

 

 

 

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