Your browser is out of date.

You are currently using Internet Explorer 7/8/9, which is not supported by our site. For the best experience, please use one of the latest browsers.

Select Currency:

Press-In Inserts are designed to be pressed into the plastic hole without melting the plastic prior to installation. Press-In Inserts offer rapid installation with no specialized equipment and achieve good overall joint performance

The Series 51 Inserts are the headed version of the Series 50. The head provides a larger bearing surface for the mating assembly is also suitable for pull-through applications where high pull-out force is a requirement. Series 51 Inserts are available in thread sizes ranging from M2 to M8.

If you don’t see what you are looking for in our standard offering (including thread size, length, quantity, etc.), please feel free to contact SPIROL directly at info@spirol.com or call any one of our global offices for complimentary Application Engineering assistance!

Unit of Measure
Items
Series 51 Headed Press-In Inserts

INS 51/M2 / .125 EK
Price per Package Unit $54.93

Series 51 Headed Press-In Inserts

INS 51/M2.5 / .140 EK
Price per Package Unit $57.20

Series 51 Headed Press-In Inserts

INS 51/M3 / .140 EK
Price per Package Unit $58.37

Series 51 Headed Press-In Inserts

INS 51/M3.5 / .150 EK
Price per Package Unit $71.21

Series 51 Headed Press-In Inserts

INS 51/M4 / .185 EK
Price per Package Unit $71.54
Package Type N/A Bag
Units Per Package
N/A 300 N/A 300 N/A 300 N/A 300 N/A 250
Supply Status N/A Stocked
Thread Size N/A M2 x 0.4 N/A M2.5 x 0.45 N/A M3 x 0.5 N/A M3.5 x 0.6 N/A M4 x 0.7
Overknurl Ø N/A 3.40 mm N/A 4.19 mm N/A 4.19 mm N/A 4.98 mm N/A 5.77 mm
Head Ø N/A 4.70 mm N/A 5.49 mm N/A 5.49 mm N/A 6.27 mm N/A 7.06 mm
Length N/A 3.18 mm N/A 3.56 mm N/A 3.56 mm N/A 3.81 mm N/A 4.70 mm
Material Type N/A Brass
Finish N/A Plain
Order Processing Note N/A Orders typically ship in 2-3 business days. Orders received after 3pm EST will be processed on the next business day.