M6 M8 Self Tapping Helicoil Type Of 307 Stainless Steel Thread Insert

M6 M8 Self - Tapping Thread Inserts Type Of 307 Stainless Steel Thread Insert

Introduction

Self-tapping threaded sleeve braces also called self-tapping, is a new type of reinforcing the strength of the threaded fasteners, self-tapping threaded sleeve has inner and outer tooth pattern, embedded in plastic, cast iron, aluminum, copper and other soft material, can be formed relatively High-strength internal threaded holes, self-tapping screw sleeves (self-tapping braces) can also repair damaged internal threads.
Self-tapping threaded sleeve mounted without prior tapping, installation tool can be used directly screwed into specific holes in the base material reserved for the female thread teeth have been crushed and the original can be used the same screw, economic appearance, the new articles but also increases its thread strength.
Self-tapping thread inserts (self-tapping braces) is now widely used in the automotive industry, rail car industry, shipbuilding industry, household appliances, construction machinery, business machines, electronic products, engineering plastics, advanced modular furniture, aluminum die-casting and other industries.
Self-tapping screws are generally classified iron teeth, finger F is a wood-type teeth, usually countersunk head, generally refers to a type A A dental tip end banquet i.e., B-type B generally refers teeth, i.e. flat end banquet.

Material

The materials used in domestic self-tapping screw sleeves are generally carbon steel and stainless steel.

1. Carbon steel: Color-plated zinc, suitable for surface carburizing heat treatment on aluminum alloy, copper alloy, plastic and other substrates with low engineering strength.

2. Stainless steel SUS303 (304, 316, 316L): suitable for surface passivation treatment on cast iron and other products with higher strength.

Use

Self-tapping threaded inserts are self-tapping threaded inserts with slots or holes. Slotted threaded threaded inserts are recommended for most applications. On some materials, this threaded sleeve provides the perfect specific thread lock function. If it still does not work, it is generally recommended to use the 307/308 type, which has made a major breakthrough in the difficulty of material cutting. This product not only has a very thick wall, but also has three circular holes with cutting ability scattered on the wall. The 307/308 product is especially suitable for the case where the material thickness is not too wide.

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