Solid Theading Endmills for Internal Thread with Coolant Hole Solid Threading Endmills for Internal Thread with Coolant Hole H W 55°WHIT WORTH (BSW,BSF,BSP,BSB) BSPT 55°BRITISH STANDARD PIPE ap ap P P D dh6 dh6 ^15 *L 1 ^5 *L R0.137P Screw 90°/ R0.137P17-Screw •Application: General engineering •Application: General engineering fittings and pipe couplings fittings and pipe couplings Dimension (mm) Dimension (mm) Designation TPI BSP No.of flutes Designation TPI BSP No.of flutes d D ap L d D ap L SMTB 08078C14 28 W 28 G1/8 8 7.8 14.1 64 3 SMTB 08078C14 28 BSPT 28 RC1/8 8 7.8 14.1 64 3 1010D16 19 W 19 G1/4-3/8 10 10.0 16.7 73 4 1010D16 19 BSPT 19 RC1/4-3/8 10 10.0 16.7 73 4 1616E26 14 W 14 G1/2-7/8 16 16.0 26.3 105 5 1616E26 14 BSPT 14 RC1/2-7/8 16 16.0 26.3 105 5 1616D38 11 W 11 G>1 16 16.0 38.1 105 4 1616D28 11 BSPT 11 RC1-2 16 16.0 28.9 105 4 2020E47 11 W 11 G >1 20 20.0 47.3 105 5 NPT60°NATIOANL PIPE ap 105 ^E pAmD dh6^ 15L•Application: Steam, gas and water pipes 106 Dimension (mm) Designation TPI NPT No.of flutes d D ap L SMTB 08076C10 27 NPT 27 1/8 8 7.6 10.8 64 3 1010D16 18 NPT 18 1/4-3/8 10 10.0 16.2 73 4 16155D22 14 NPT 14 1/2-3/4 16 15.5 22.7 105 4 2020D29 11.5 NPT 11.5 1-2 20 20.0 29.8 105 4 2020D39 8 NPT 8 >2 1/2 20 20.0 39.7 105 4 Ai ri