MT Series: Precision Inserts for Thru-Thread “Mold-In” Applications

Thru-Thread Mold-In Threaded InsertsOur MT-Series insert is designed to be molded into Plastics, Rubber & Ceramics. The insert is designed with aggressive diamond knurling that provides high resistance to tensile pull and rotational torque loads. It also has a controlled minor diameter which provides for accurate positioning on core pins.

Printable Catalog Page
Thru-Thread Insert Line Diagram
MT SERIES MOLD-IN THRU-THREAD INSERTS
INCH METRIC A ±.005 B +.000 -.008 C (INCH) +.002 -.000 after tapping C (METRIC) +.002 -.000 after tapping
Thread Size Part Number CAD Thread Size Part Number CAD
2-56 256X156MT M2.0 x 0.4 M20X156MT .133 .156 .070 .064
4-40 440X187MT M3.0 x 0.5 M30X187MT .169 .187 .089 .100
6-32 632X250MT M3.5 x 0.6 M35X250MT .200 .250 .110 .117
8-32 832X281MT M4.0 x 0.7 M40X281MT .232 .281 .136 .133
10-24 1024X312MT - - - .266 .312 .154 -
10-32 1032X312MT M5.0 x 0.8 M50X312MT .266 .312 .161 .168
1/4-20 2520X468MT M6.0 x 1.0 M60X468MT .391 .468 .204 .200
1/4-28 2528X468MT† - - - .391 .468 .215 -
5/16-18 3118X562MT† M8.0 x 1.25 M80X562MT† .516 .562 .261** .267**
3/8-16 3816X687MT† M10.0 x 1.50 M100X687MT† .578 .687 .318** .337**
1/2-13 5013X875MT† M12.0 x 1.75 M120X875MT† .766 .875 .430** .404**

Standard material is Brass, Alloy 360, per ASTM-B16.
Additional thread sizes and other materials are available as a special order.
Please contact our Sales or Engineering department for additional information and capabilities.

† Non-Stocking item. Minimum order may apply.
** I.D. Tolerance is +.003″ /-.000″ for this item.