Metric Free Running Wire Thread Insert, also known as a Helicoil, is a meticulously crafted spiral coil formed from cold-rolled rhombic stainless steel wire. This insert exhibits exceptional strength, precise dimensions, and a sleek surface finish. It functions as a high-precision concentric component featuring both internal and external threads, enabling the creation of standardized threads seamlessly. Renowned for its remarkable qualities, including high strength, precision, robust tensile strength, resistance to loosening, wear resistance, heat resistance, and rust resistance, these inserts are predominantly used in various materials, including low-strength metals like aluminum and magnesium, as well as non-metallic materials such as plastics.
| Drawing No. | dxP | Kxd | L | w | d1 min. max. | B Tap Drill Size | t3 max. | |
| Free Running | Screw- Lock | |||||||
| L 4010011 | L 4012011 | M2X0.40 | 1d | 2.0 | 2.9 | 2.6-2.8 | 2.1 | 1.8 |
| L 4010012 | L 4012012 | 1.5d | 3.0 | 4.9 | 2.8 | |||
| L 4010013 | L 4012013 | 2d | 4.0 | 6.9 | 3.8 | |||
| L 4010014 | L 4012014 | 2.5d | 5.0 | 8.9 | 4.8 | |||
| L 4010015 | L 4012015 | 3d | 6.0 | 10.9 | 5.8 | |||
| L4010021 | L4012021 | M2.5X0.45 | 1d | 2.5 | 3.5 | 3.3-3.5 | 2.6 | 2.3 |
| L 4010022 | L 4012022 | 1.5d | 3.75 | 5.9 | 3.5 | |||
| L 4010023 | L 4012023 | 2d | 5.0 | 8.1 | 4.8 | |||
| L 4010024 | L 4012024 | 2.5d | 6.25 | 10.5 | 6.0 | |||
| L 401 0025 | L 4012025 | 3d | 7.5 | 12.9 | 7.3 | |||
| L 4010031 | L 4012031 | M3X0.5 | 1d | 3.0 | 3.9 | 3.8-4.0 | 3.2 | 2.7 |
| L 4010032 | L4012032 | 1.5d | 4.5 | 6.3 | 4.2 | |||
| L 4010033 | L4012033 | 2d | 6.0 | 8.7 | 5.7 | |||
| L 4010034 | L 4012034 | 2.5d | 7.5 | 11.1 | 7.2 | |||
| L 4010035 | L 4012035 | 3d | 9.0 | 13.5 | 8.7 | |||
| L 4010041 | L 4012041 | M3.5X0.6 | 1d | 3.5 | 3.7 | 4.42-4.60 | 3.7 | 3.2 |
| L 4010042 | L 4012042 | 1.5d | 5.25 | 6.3 | 5.0 | |||
| L 4010043 | L4012043 | 2d | 7.0 | 8.7 | 6.7 | |||
| L 4010044 | L 4012044 | 2.5d | 8.75 | 11.2 | 8.5 | |||
| L 401 0045 | L 4012045 | 3d | 10.5 | 13.3 | 10.2 | |||
| L 4010051 | L 4012051 | M4X0.7 | 1d | 4.0 | 3.7 | 5.05- 5.25 | 4.2 | 3.6 |
| L 4010052 | L4012052 | 1.5d | 6.0 | 6.1 | 5.6 | |||
| L 4010053 | L 4012053 | 2d | 8.0 | 8.4 | 7.6 | |||
| L 4010054 | L 4012054 | 2.5d | 10.0 | 10.9 | 9. .6 | |||
| L 4010055 | L 4012055 | 3d | 12.0 | 13.2 | 11.6 | |||
| L 4010061 | L 4012061 | M5X0.8 | 1d | 5.0 | 4.3 | 6.35-6.6 | 5.2 | 4.6 |
| L 4010062 | L 4012062 | 1.5d | 7.5 | 6.9 | 7.1 | |||
| L 4010063 | L 401 2063 | 2d | 10.0 | 9.7 | 9.6 | |||
| L 4010064 | L 4012064 | 2.5d | 12.5 | 12.3 | 12.1 | |||
| L 4010065 | L 4012065 | 3d | 15.0 | 14.8 | 14.6 | |||
| L 4010071 | L 4012071 | M6X1.0 | 1d | 6.0 | 4.2 | 7.6-7.85 | 6.3 | 5.5 |
| L 4010072 | L4012072 | 1.5d | 9.0 | 6.9 | 8.5 | |||
| L 4010073 | L 4012073 | 2d | 12.0 | 9.6 | 11.5 | |||
| L 4010074 | L 4010074 | 2.5d | 15.0 | 12.3 | 14.5 | |||
| L 4010075 | L 4010075 | 3d | 18.0 | 14.6 | 17.5 | |||
| L 4010081 | L 4012081 | M7X1.0 | 1d | 7.0 | 5.3 | 8.65-8.9 | 7.3 | 6.5 |
| L 4010082 | L 4012082 | 1.5d | 10.5 | 8.2 | 10.0 | |||
| L 4010083 | L 4012083 | 2d | 14.0 | 11.1 | 13.5 | |||
| L 4010084 | L 4012084 | 2.5d | 17.5 | 14.3 | 17.0 | |||
| L 4010085 | L4012085 | 3d | 21.0 | 17.4 | 20.5 | |||
| L 4010091 | L 4012091 | M8X1.25 | 1d | 8.0 | 4.7 | 9.85-10.1 | 8.4 | 7.4 |
| L 4010092 | L 4012092 | 1.5d | 12.0 | 7.4 | 11.4 | |||
| L 4010093 | L 4012093 | 2d | 16.0 | 10.6 | 15.4 | |||
| L 4010094 | L 4012094 | 2.5d | 20.0 | 13.5 | 19.4 | |||
| L 4010095 | L 4012095 | 3d | 24.0 | 16.4 | 23.4 | |||
| L 4010101 | L 4012101 | M8X1.0 | 1d | 8.0 | 6.1 | 9.85-10.1 | 8.3 | 7.5 |
| L 4010102 | L 4012102 | 1.5d | 12.0 | 9.5 | 11.5 | |||
| L4010103 | L 4012103 | 2d | 16.0 | 12.9 | 15.5 | |||
| L4010104 | L 4012104 | 2.5d | 20.0 | 16.5 | 19.5 | |||
| L 4010105 | L 4012105 | 3d | 24.0 | 19.9 | 23.5 | |||
| L 4010111 | L4012111 | M9X1.25 | 1d | 9.0 | 5.3 | 10.85-11.1 | 9.4 | 8.4 |
| L 4010112 | L4012112 | 1.5d | 13.5 | 8.6 | 12.9 | |||
| L4010113 | L 4012113 | 2d | 18.0 | 11.9 | 17.4 | |||
| L4010114 | L4012114 | 2.5d | 22.5 | 15.3 | 21.9 | |||
| L4010115 | L 4012115 | 3d | 27.0 | 18.1 | 26.4 | |||
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