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SPIROL’s Series 28 Long 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 Long Inserts are similar to the Series 27 Long Inserts with the addition of a head for increased bearing area. The Series 28 Long Headed Inserts have the same body style as the standard Series 30 Long 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 also comes 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 28 Headed 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.
Item # |
Supply Status |
Units Per Package |
Thread Size |
Overknurl Ø (A) |
Head Ø (H) |
Length (L) |
Material Type |
Finish |
Price per Package Unit |
|---|---|---|---|---|---|---|---|---|---|
| 151249 | Supply Status N/A Not Stocked | Units Per Package N/A 1 | Thread Size N/A 2-56 | Overknurl Ø (A) N/A .140 in | Head Ø (H) N/A .185 in | Length (L) N/A .157 in | Material Type N/A Brass | Finish N/A Plain | QUOTE |
| 151251 | Supply Status N/A Not Stocked | Units Per Package N/A 1 | Thread Size N/A 4-40 | Overknurl Ø (A) N/A .177 in | Head Ø (H) N/A .216 in | Length (L) N/A .226 in | Material Type N/A Brass | Finish N/A Plain | QUOTE |
| 151253 | Supply Status N/A Not Stocked | Units Per Package N/A 1 | Thread Size N/A 6-32 | Overknurl Ø (A) N/A .208 in | Head Ø (H) N/A .247 in | Length (L) N/A .281 in | Material Type N/A Brass | Finish N/A Plain | QUOTE |
| 151255 | Supply Status N/A Not Stocked | Units Per Package N/A 1 | Thread Size N/A 8-32 | Overknurl Ø (A) N/A .241 in | Head Ø (H) N/A .278 in | Length (L) N/A .321 in | Material Type N/A Brass | Finish N/A Plain | QUOTE |
| 151257 | Supply Status N/A Not Stocked | Units Per Package N/A 1 | Thread Size N/A 10-24 | Overknurl Ø (A) N/A .272 in | Head Ø (H) N/A .310 in | Length (L) N/A .375 in | Material Type N/A Brass | Finish N/A Plain | QUOTE |
| 151258 | Supply Status N/A Not Stocked | Units Per Package N/A 1 | Thread Size N/A 10-32 | Overknurl Ø (A) N/A .272 in | Head Ø (H) N/A .310 in | Length (L) N/A .375 in | Material Type N/A Brass | Finish N/A Plain | QUOTE |
| 151260 | Supply Status N/A Not Stocked | Units Per Package N/A 1 | Thread Size N/A 1/4-20 | Overknurl Ø (A) N/A .335 in | Head Ø (H) N/A .372 in | Length (L) N/A .500 in | Material Type N/A Brass | Finish N/A Plain | QUOTE |
| 151262 | Supply Status N/A Not Stocked | Units Per Package N/A 1 | Thread Size N/A 5/16-18 | Overknurl Ø (A) N/A .397 in | Head Ø (H) N/A .435 in | Length (L) N/A .500 in | Material Type N/A Brass | Finish N/A Plain | QUOTE |
