FCH News

1/4 Press-In Inserts

Press-In Threaded Inserts, also called Ultrasonic Inserts, are internally threaded inserts specially designed for use in hard plastics such as printed circuit boards. A common trade-name is E-Z Lok®. A special insertion tool is required that applies high-frequency ultrasonic sound waves to the insert as it is slowly pressed into a pre-drilled hole in the the plastic. The heat developed melts the surrounding plastic and locks the insert in place.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
EndriesWIPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelZinc/Yellow1/4-20 x 0.027-.1651/4-20x0.027-.165 grip ak series knurled threaded insert zy rohs.3906 hole2900
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THRDFASTFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)AluminumPlain1/4-20 x .081/4-20x.08 alum fl hd riv nut1,003
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THRDFASTMSPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)AluminumPlain1/4-20 x .081/4-20x.08 alum fl hd riv nut338
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THRDFASTFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelPlain1/4-20 x 5/321/4-20x5/32 fl hd riv nut1,010
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THRDFASTMSPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)AluminumPlain1/4-20 x .1651/4-20x.165 alum fl hd riv nut (50 pk)9
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MESAFASTCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-20 x 131/4-20 x 13 type-a insert nut137.0
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NAPPCOTXPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 .75 x .25 x .368brass insert hex 1/4-20 .75x.25x.368 (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS) (660-MFG SPECIAL PARTS)1
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THRDFASTFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)AluminumPlain1/4-20 x .2601/4-20x.260 alum fl hd riv nut153
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THRDFASTFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)AluminumPlain1/4-20 x .2601/4-20x.260 alum fl hd riv nut25
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MESAFASTCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-20 x .3001/4-20 x.300 t-lok ultrasonic insert /NTTLC14300500.0
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SWACOOHPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x .3001/4-20x.300 tapered ultrasonic insert brass62
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AbabaCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-28 x 7/16e-z lok threaded insert 1/4-28 i.d. x 7/16-14 o.d40
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AbabaCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x .5001/4-20 x .500 diamond knurl press insert brass25
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HewesNYPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x 1/21/4-20x1/2 insert 240-4-br484
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MESAFASTCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-20 x .5001/4-20 x .500 s-lok (headed) ultrasonic insert500.0
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BAYFASTCOFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x 1/2insert e-z lok 240-4br294
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ManscoMIPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x 1/21/4-20 x 1/2 hex brass insert3,437
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AFIFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x 1/21/4-20 x 1/2 brass insert h series5735
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AbabaCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x .563e-z lok threaded insert 1/4-20 x .563 brass158
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ManscoMIPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x 5/81/4-20x5/8 hex brass insert27,200
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ZAL INDUSCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelZinc/Clear1/4-20 x 11/4-20x18mm insert knock in nut zinc diecast100
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JHP FastenersTXPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x 20insert brass 1/4-20 knurled 20 series w/shoulder25
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OBRIENOHPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-20 x 131/4-20x13mm e-z lock threaded insert6000,000
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LibertyILPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)Zinc Alloy 3 (Zamak)Zinc/Clear1/4-20 x 131/4-20 x 13mm type-a insert nut die cast nut die cast nut zinc alloy die cast A142013-ZN980
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ManscoMIPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20 x 91/4-20x9 knock in insert14999
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B & K FASTPAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/41/4 brass compression insert50
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AbabaCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-20e-z lok thread insert 1/4-20 id x m12-1.75 od (8/pk)1
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RePneu ToMIPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-20e-z fin threaded insert 1/4-201500
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ACFCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelZinc/Clear1/4-201/4-20 steel special knurled insert ak zinc300
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ACFCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelZinc/Yellow1/4-201/4-20 steel ak knurled insert zinc ii rohs6899
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ACFCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelZinc/Yellow1/4-201/4-20 ak steel knurled insert zinc ii77
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ACFCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelZinc/Yellow1/4-201/4-20 steel ak knurled insert zinc ii rohs355
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ACFCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelCadmium1/4-281/4-28 steel ak knurled insert cad ii1375
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ACFCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelCadmium1/4-201/4-20 steel ak knurled insert cad ii666
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EndriesWIPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)400 Stainless (405, 410,416,420,430 etc.)Zinc/Yellow1/4-20aks4t-420-165 1/4-20 open end knurled insert trivalent yellow zinc3100
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Valley NuWAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-201/4-20 nc int 7/16-14 e-z lok insert85
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AmericanNYPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelZinc/Yellow1/4-201/4-20 c5 clinch nylon insert brass yell1500
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SRFALPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 insert for plastic638
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SRFALPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 insert for plastic-
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CenturyFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 finsert brass ez lok 370-4-br (1/4-20 FINSERT BRASS EZ LOK 370-4-BR) (1/4-20 FINSERT BRASS EZ LOK 370-4-BR) () ()6900
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SWACOOHPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-20insert 1/4-20 barbed zdc2300
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ISSCOMOPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-20insert standard dodge insert pt 70015-4-500 1/4-20 HCI-700-15-4-5005353
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NAPPCOTXPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelPlain1/4-201/4-20 nut insert stl tin (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE) (199-MISCELLANEOUS HARDWARE)125
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IRFNJPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)SteelZinc/Yellow1/4-201/4-20 half hex full hd clsd end insert nut & wax rohs compliant388,060
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QFCTXPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)AluminumPlain1/4-201/4-20 lg flange aluminum knurled insert38
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ZAL INDUSCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 insert w/ slotted solid brass185
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LibertyILPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 insert1,260
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UltraFastWAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-281/4-28 thin sheet u-sertsinquire
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NAPPCOTXPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-201/4-20 ultrasert ii #6035-4br-0.500 (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL) (564-HELICOIL)953
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OlanderCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 finsert brass1065
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OSSCORIPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 brass press insert66
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OlanderCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 ez lok press ins sst121
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AFIFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-281/4-28 ultrasert ii -inch17365
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AFIFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-201/4-20 ultrasert iii -inch6232
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EmpireWAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-201/4-20 large flange riv nut9000
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EmpireWAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-201/4-20 large flange riv nut3350
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JET FITTINGCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-20insert 1/4-20 barbed zdc A142013 ZN3800
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CenturyNYPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)Plaindodge ub001420 1/4-20 ultrasert iv64
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CenturyNYPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 finsert brass ez lok 370-4-br 1/4-20 finsert brass ez lok 370-4-br6900
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AFIFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 brass insert385
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EmpireWAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-201/4-20 small flange riv nut375
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OlanderCAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)BrassPlain1/4-201/4-20 dodge ultramold ins br 6176-4BA44220982
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AFIFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-281/4-28 ultrasert ii -inch200
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EmpireWAPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-201/4-20 large flange riv nut100
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AFIFLPress-In/Ultrasonic Insert for Plastic (E-Z Lok etc.)1/4-201/4-20 low profile knurled insert st bs662
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