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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 specialised 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-uk@spirol.com or call any one of our global offices for complimentary Application Engineering assistance!

Unit of Measure

Package Type

 N/A Bag

Units Per Package

 N/A 300

Supply Status

 N/A Stocked

Thread Size

 N/A M2.5 x 0.45

Overknurl Ø (A Ref.)

 N/A 4.19 mm

Head Ø (H)

 N/A 5.49 mm

Head Thickness (T)

 N/A 0.53 mm

Length (L)

 N/A 3.56 mm

Pilot Ø (P)

 N/A 3.86 mm

Rec. Hole Ø

 N/A 3.94 mm

Rec. Hole Ø Tolerance

 N/A +0.08/-0.00 mm

Material Type

 N/A Brass

Material Grade

 N/A ASTM B16
UNS C36000
EN 12164 CW603N CuZn36Pb3

Finish

 N/A Plain

Weight Per Piece

 N/A 0.0003373 kg0.0007436 lb

Order Processing Note

 N/A Orders typically ship in 2-3 business days. Orders received after 3pm GMT will be processed on the next business day.