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The metric Series 20 Short Insert has the exact same body style as the Series 19 Short - with the addition of a head. The slightly tapered body is designed for use in straight holes to yield maximum performance with low radial stress. Seating and installation are facilitated with a pilot and a tapered knurl and groove design. The head provides more bearing surface for the mating component to prevent jack-out. The Series 20 Short Headed Insert is available in metric threads ranging from M2 up to M6.

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!

Series 20 Short Headed Inserts
Unit of Measure
Items Series 20 Short Headed Inserts
151058
INS 20/M2 / .125S EK
Price per Package Unit $54.93
Series 20 Short Headed Inserts
151059
INS 20/M2.5 / .140S EK
Price per Package Unit $57.20
Series 20 Short Headed Inserts
150838
INS 20/M3 / .140S EK
Price per Package Unit $58.37
Series 20 Short Headed Inserts
150839
INS 20/M3.5 / .150S EK
Price per Package Unit $59.34
Series 20 Short Headed Inserts
150841
INS 20/M4 / .185S EK
Price per Package Unit $65.89
Package Type N/A Bag
Supply Status N/A Stocked
Units Per Package N/A 300 N/A 300 N/A 300 N/A 250 N/A 225
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 3.58 mm N/A 4.62 mm N/A 4.62 mm N/A 5.41 mm N/A 6.25 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.