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Amazon.com: 6-Piece 1/4-20NC Combination Drill Tap Bit Set SAE, Made of High-Speed Steel with Anti-Rust Blackened Coating, Ideal for Soft Metal, Wood & Plastic, 1/4” UNC-20 Thread Size, 1/4” Hex Shank :
![Amazon.com: 6-Piece 1/4-20NC Combination Drill Tap Bit Set SAE, Made of High-Speed Steel with Anti-Rust Blackened Coating, Ideal for Soft Metal, Wood & Plastic, 1/4” UNC-20 Thread Size, 1/4” Hex Shank : Amazon.com: 6-Piece 1/4-20NC Combination Drill Tap Bit Set SAE, Made of High-Speed Steel with Anti-Rust Blackened Coating, Ideal for Soft Metal, Wood & Plastic, 1/4” UNC-20 Thread Size, 1/4” Hex Shank :](https://m.media-amazon.com/images/I/71h4Jg3WGML._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 6-Piece 1/4-20NC Combination Drill Tap Bit Set SAE, Made of High-Speed Steel with Anti-Rust Blackened Coating, Ideal for Soft Metal, Wood & Plastic, 1/4” UNC-20 Thread Size, 1/4” Hex Shank :
![Drill America 1/4 in. -20 High Speed Steel Tap and #7 Drill Bit Set (2-Piece) POU1/4-20 - The Home Depot Drill America 1/4 in. -20 High Speed Steel Tap and #7 Drill Bit Set (2-Piece) POU1/4-20 - The Home Depot](https://images.thdstatic.com/productImages/466dac8f-e06f-4e8e-baa7-ff3fbbb20cc4/svn/drill-america-specialty-drill-bits-pou1-4-20-64_1000.jpg)
Drill America 1/4 in. -20 High Speed Steel Tap and #7 Drill Bit Set (2-Piece) POU1/4-20 - The Home Depot
![Amazon.com: IRWIN Drill And Tap Set, 1/4-Inch - 20 NC Tap and 13/64-Inch Drill Bit (80230) : Industrial & Scientific Amazon.com: IRWIN Drill And Tap Set, 1/4-Inch - 20 NC Tap and 13/64-Inch Drill Bit (80230) : Industrial & Scientific](https://images-na.ssl-images-amazon.com/images/I/71aygSBVzVL._AC_UL210_SR210,210_.jpg)
Amazon.com: IRWIN Drill And Tap Set, 1/4-Inch - 20 NC Tap and 13/64-Inch Drill Bit (80230) : Industrial & Scientific
![Greenlee LDTAPKIT Drill/Tap/Countersink Set, Hss, 7 Pcs., 8-32 to 1/4-20 - Jobber Drill Bits - Amazon.com Greenlee LDTAPKIT Drill/Tap/Countersink Set, Hss, 7 Pcs., 8-32 to 1/4-20 - Jobber Drill Bits - Amazon.com](https://m.media-amazon.com/images/I/81u4qTDFlCL._AC_UF894,1000_QL80_.jpg)
Greenlee LDTAPKIT Drill/Tap/Countersink Set, Hss, 7 Pcs., 8-32 to 1/4-20 - Jobber Drill Bits - Amazon.com
![IRWIN Hanson 1/4-in-20-in Standard (Sae) 2-Pack Tap and Drill Set in the Tap & Drill Sets department at Lowes.com IRWIN Hanson 1/4-in-20-in Standard (Sae) 2-Pack Tap and Drill Set in the Tap & Drill Sets department at Lowes.com](https://mobileimages.lowes.com/productimages/019f3043-ba2c-4e21-9797-5736f7f50839/60786644.jpg)
IRWIN Hanson 1/4-in-20-in Standard (Sae) 2-Pack Tap and Drill Set in the Tap & Drill Sets department at Lowes.com
![1/4-20 Complete Helical Thread Repair Kit - Includes 3 Lengths of Inserts, HSS Drill Bit, STI Plug Tap & Installation Tool 1/4-20 Complete Helical Thread Repair Kit - Includes 3 Lengths of Inserts, HSS Drill Bit, STI Plug Tap & Installation Tool](https://www.threadtoolsupply.com/cdn-cgi/image/quality%3D85/assets/images/chrislynn/helical-insert-thread-repair-kit.jpg)