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Drill Chart - Threaded Inserts for Plastic - All Inserts

This comprehensive drill chart covers all E-Z LOK threaded inserts designed for plastic applications. Ideal for use in a wide range of plastic materials including ABS, polycarbonate, acrylic, PVC, nylon, and other engineered plastics. This reference includes Press Inserts available in flush, flanged, and reverse slot configurations, Finserts for press-in installations, and Knife Thread inserts for hardened plastics. Choose from brass, stainless steel, and aluminum materials to match your application needs in plastic assemblies, enclosures, consumer products, and industrial plastic fabrication. Available in both Unified (inch) and Metric thread specifications.

Important Note: Hole size requirements may vary depending on a number of factors, including material and tools. We recommend that you test your particular application before ordering.
Phone: (800) 234-5613Download PDFPlastic inserts:Threaded Inserts for Plastic

Press Inserts - Flush - Brass

For Plastic

Part NumberInternal ThreadDrill
240-000-BR0-803/32
240-002-BR2-561/8
240-004-BR4-405/32
240-006-BR6-323/16
240-008-BR8-327/32
240-008-BR.2508-327/32
240-3-BR10-241/4
240-332-BR10-321/4
240-332-BR.25010-321/4
240-4-BR1/4-205/16
240-4-BR.4381/4-205/16
240-5-BR5/16-183/8
240-5-BR.4955/16-183/8
240-6-BR3/8-167/16

Press Inserts - Flush - Brass - Metric

For Plastic

Part NumberInternal ThreadDrill
240-M3-BRM3-0.55/32
240-M3.5-BRM3.5-0.63/16
240-M4-BRM4-0.77/32
240-M5-BRM5-0.81/4
240-M5-BR.315M5-0.81/4
240-M6-BRM6-1.05/16
240-M6-BR.438M6-1.05/16

Press Inserts - Flush - Stainless

For Plastic

Part NumberInternal ThreadDrill
240-002-CR2-561/8
240-004-CR4-405/32
240-006-CR6-323/16
240-008-CR8-327/32
240-008-CR.2508-327/32
240-3-CR10-241/4
240-332-CR10-321/4
240-332-CR.25010-321/4
240-4-CR1/4-205/16
240-5-CR5/16-183/8
240-6-CR3/8-167/16

Press Inserts - Flush - Stainless - Metric

For Plastic

Part NumberInternal ThreadDrill
240-M3-CRM3-0.55/32
240-M4-CRM4-0.77/3
240-M5-CRM5-0.81/4
240-M6-CRM6-1.05/16
240-M8-CRM8-1.253/8

Press Inserts - Flanged - Brass

For Plastic

Part NumberInternal ThreadDrill
260-002-BR2-561/8
260-004-BR4-405/32
260-006-BR6-323/16
260-008-BR8-327/32
260-332-BR10-321/4
260-4-BR1/4-205/16
260-5-BR5/16-183/8
260-6-BR3/8-167/16

Press Inserts - Flanged - Brass - Metric

For Plastic

Part NumberInternal ThreadDrill
260-M3-BRM3-0.55/32
260-M4-BRM4-0.77/32
260-M5-BRM5-0.81/4
260-M6-BRM6-1.05/16
260-M8-BRM8-1.253/8

Press Inserts - Flanged - Stainless

For Plastic

Part NumberInternal ThreadDrill
260-002-CR2-561/8
260-004-CR4-405/32
260-006-CR6-323/16
260-008-CR8-327/32
260-332-CR10-321/4
260-4-CR1/4-205/16
260-5-CR5/16-183/8
260-6-CR3/8-167/16

Press Inserts - Flanged - Stainless - Metric

For Plastic

Part NumberInternal ThreadDrill
260-M3-CRM3-0.55/32
260-M4-CRM4-0.77/32
260-M5-CRM5-0.81/4
260-M6-CRM6-1.05/16
260-M8-CRM8-1.253/8

Press Inserts - Reverse Slot - Brass

For Plastic

Part NumberInternal ThreadDrill
260-002-RS2-561/8
260-004-RS4-405/32
260-006-RS6-323/16
260-008-RS8-327/32
260-332-RS10-321/4
260-4-RS1/4-205/16

Press Inserts - Reverse Slot - Stainless

For Plastic

Part NumberInternal ThreadDrill
260-002-RS-CR2-561/8
260-004-RS-CR4-405/32
260-006-RS-CR6-323/16
260-008-RS-CR8-327/32
260-332-RS-CR10-321/4
260-4-RS-CR1/4-205/16

Press Inserts - Rev. Slot - Stainless - Metric

For Plastic

Part NumberInternal ThreadDrill
260-M2-RS-CRM2-0.4.126
260-M2.5-RS-CRM2.5-0.45.157
260-M3-RS-CRM3-0.5.157
260-M4-RS-CRM4-0.7.220
260-M5-RS-CRM5-0.8.252
260-M6-RS-CRM6-1.0.315
260-M8-RS-CRM8-1.25.378

Press Inserts - Flush - Aluminum

For Plastic

Part NumberInternal ThreadDrill
240-3-AL10-241/4
240-5-AL5/16-183/8
240-6-AL3/8-167/16

Press Inserts - Flush - Aluminum - Metric

For Plastic

Part NumberInternal ThreadDrill
240-M8-ALM8-1.253/8
240-M10-ALM10-1.57/16

Press Inserts - Flanged - Aluminum

For Plastic

Part NumberInternal ThreadDrill
260-3-AL10-241/4
260-5-AL5/16-183/8
260-6-AL3/8-167/16

Press Inserts - Flanged - Aluminum - Metric

For Plastic

Part NumberInternal ThreadDrill
260-M8-ALM8-1.253/8
260-M10-ALM10-1.57/16

Finserts - Brass

For Plastic

Part NumberInternal ThreadDrill
170-004-BR4-40#5
170-006-BR6-32#5
170-008-BR8-3215/64
170-332-BR10-32G
270-004-BR4-40#5
270-006-BR6-32#5
270-008-BR8-3215/64
270-332-BR10-32G
270-3-BR10-24G
270-4-BR1/4-2021/64
270-M5-BRM5-0.8G
270-M6-BRM6-1.021/64
370-332-BR10-3211/32
370-4-BR1/4-2013/32
370-5-BR5/16-1815/32
370-M8-BRM8-1.2515/32

Knife Thread - Brass

For Plastic

Part NumberInternal ThreadDrill
400-0044-4017/64
400-0066-3217/64
400-0088-3217/64
400-310-2425/64
400-33210-3225/64
400-41/4-2025/64
400-4281/4-2825/64
400-4751/4-2025/64
400-55/16-1833/64
400-5105/16-1833/64
400-5245/16-2433/64
400-63/8-1633/64
400-6103/8-1633/64
400-6243/8-2433/64

Knife Thread - Brass - Metric

For Plastic

Part NumberInternal ThreadDrill
400-M3M3-0.517/64
400-M4M4-0.717/64
400-M5M5-0.825/64
400-M6M6-1.025/64
400-M8M8-1.2533/64
400-M10M10-1.533/64

Knife Thread - Stainless

For Plastic

Part NumberInternal ThreadDrill
400-004-CR4-4017/64
400-006-CR6-3217/64
400-008-CR8-3217/64
400-332-CR10-3225/64
400-3-CR10-2425/64
400-4-CR1/4-2025/64
400-428-CR1/4-2825/64
400-5-CR5/16-1833/64
400-524-CR5/16-2433/64
400-6-CR3/8-1633/64
400-624-CR3/8-2433/64

Knife Thread - Stainless - Metric

For Plastic

Part NumberInternal ThreadDrill
400-M3-CRM3-0.517/64
400-M4-CRM4-0.717/64
400-M5-CRM5-0.825/64
400-M6-CRM6-1.025/64
400-M8-CRM8-1.2533/64
400-M10-CRM10-1.533/64