200X Stainless Steel Helicoil Thread Repair Insert Kit M3 M4 M5 M6 M8 M10 M12 from B&Q

B&Q

【7 Size Assorted Helicoil kit】The kit contains 7 kinds of size: M3（50pcs, M4(40pcs), M5(30pcs), M6(30pcs), M8(20pcs), M10(20pcs), M12(10pcs). Totally 200 piece. Package into a plastic grids case and each size sorted a grid separately.【High Quality】: Made of 304 stainless steel, which offers good corrosion resistance, they also have superior rust resistance and the excellent of oxidation resistance. High hardness for long time service.【Coiled Wire Type】: Deep thread, not easy to slick, with a certain of elastic, can make the load on the thread is more even, eliminate the screw and screw hole deviation between the pitch and tooth type, and can absorb vibration, thus increasing the screw thread connection strength and resistance to fatigue strength.