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SPIROL’s Series 28 Short Headed Inserts are designed for straight holes with a 1° maximum (included) draft angle and are typically installed with heat or ultrasonic vibration. The Series 28 Short Headed Inserts are similar to the Series 27 Short Inserts with the addition of a head for increased bearing area. The Series 28 Headed Inserts have the same body style as the standard Series 30 Short Headed Inserts with a reduced center knurl diameter for plastic assemblies where the boss diameter is less than 2x the body diameter of the Insert. The Series 28 Inserts are also available in a Long version for applications requiring more demanding torque and/or pull-out resistance. The SPIROL’s Series 28 Headed Inserts are available to order in inch threads ranging in size from 2-56 up to ¼-20.

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

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Item #

Supply Status

Units per Box

Thread Size

Overknurl Ø (A)

Head Ø (H)

Length (L)

Material Type

Finish

Price Per Box

151265 N/A Not Stocked N/A 1 N/A 2-56 N/A .140 in N/A .185 in N/A .125 in N/A Brass N/A Plain QUOTE
151267 N/A Not Stocked N/A 1 N/A 4-40 N/A .177 in N/A .216 in N/A .140 in N/A Brass N/A Plain QUOTE
151269 N/A Not Stocked N/A 1 N/A 6-32 N/A .208 in N/A .247 in N/A .150 in N/A Brass N/A Plain QUOTE
151271 N/A Not Stocked N/A 1 N/A 8-32 N/A .241 in N/A .278 in N/A .185 in N/A Brass N/A Plain QUOTE
151273 N/A Not Stocked N/A 1 N/A 10-24 N/A .272 in N/A .310 in N/A .250 in N/A Brass N/A Plain QUOTE
151274 N/A Not Stocked N/A 1 N/A 10-32 N/A .272 in N/A .310 in N/A .250 in N/A Brass N/A Plain QUOTE
151276 N/A Not Stocked N/A 1 N/A 1/4-20 N/A .335 in N/A .372 in N/A .312 in N/A Brass N/A Plain QUOTE
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