Type Tap Wrench1/8-1/4(3M/M-12M/M) Type Tap Wrench1/4-1/28(6M/M-12M/M) 4NC40 6NC32 8NC32 10NC24 12NC24 1/4NC20 5/16NC18 3/8NC16 7/16NC14 1/2NC13 10NF32 1/4NF28 5/16NF24 3/8NF24 7/16NF20 1/2NF20 1/8NPT 1/8W40 5/32W32 3/16W24 1/4W20 5/16W18 3/8W16 7/16W14 1/2W12 1/8BSP 1/8NF44 5/32NF36 3/16NF32 1/4NF28 5/16NF24 3/8NF24 7/16NF20 1/2NF20 3M0.6 4M0.75 5M0.9 6M1.0 7M1.0 8M1.25 10M1.5 12M1.75 1/8BSP 3M0.5 4M0.7 5M0.8 6M0.75 7M0.75 8M1.0 10M1.25 12M1.5 1/8W40 1/4W20 5/16W 3/8W16 7/16W14 1/2W12 1/8BSP 3M0.5 4M0.7 5M0.8 6M1.0 7M1.0 8M1.25 9M1.25 10M1.5 11M1.5 12M1.75 3x0.5 4x0.7 5x0.8 6x1.0 7x1.0 8x1.25 9x1.25 10x1.5 12x1.75 3x0.6 4x0.75 5x0.9 8x1.0 10x1.25 11x1.50 12x1.5 12x1.25