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SPIROL’s Series 27 Long Symmetrical Inserts are designed for straight holes with a 1° maximum (included) draft angle and are typically installed with heat or ultrasonic vibration. The Series 27 Long Inserts have the same body style as the standard Series 29 Long Inserts with a slightly smaller center knurl diameter for ultra-thin walled boss assemblies. The Series 27 Inserts are also available in a Short version to reduce costs and installation time for applications requiring less demanding torque and/or pull-out resistance. The SPIROL’s Series 27 Long Inserts are available to order in inch threads ranging in size from 2-56 up to 5/16-18.

If you would like assistance in selecting the most appropriate Insert for your application, please contact SPIROL for complimentary technical support.

Unit of Measure

Package Type

 N/A Each

Supply Status

 N/A Not Stocked

Units Per Package

 N/A 1

Thread Size

 N/A 1/4-20

Overknurl Ø (A Ref.)

 N/A .335 in

Length (L)

 N/A .500 in

Pilot Ø (P)

 N/A .312 in

Rec. Hole Ø

 N/A .315 in

Rec. Hole Ø Tolerance

 N/A +.003/-.000 in

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 0.002873 kg0.0063337 lb

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.