BTA DRILL BRAZED - BTS-SERIES SINGLE TUBE SYSTEM - OUTER TWO START AND FOUR START THREAD Diameter 0.496 - 0.787 Ø d2 ØD Ø d1 l1 L Dimension Tube Grade Designation D L l1 d1 d2 Part No. Diameter TB203 BTS x.xxx SE2-11 * 0.496 - 0.535 1.68 0.81 0.323 0.378 BTSI011 0.433 BTS x.xxx SE2-12 * 0.536 - 0.575 1.68 0.89 0.362 0.417 BTSI012 0.472 BTS x.xxx SE2-13 * 0.575 - 0.614 1.68 0.89 0.402 0.457 BTSI013 0.512 BTS x.xxx SE4-14 0.615 - 0.657 1.70 0.89 0.425 0.496 BTSI014 0.551 BTS x.xxx SE4-15 0.658 - 0.697 1.70 0.89 0.465 0.535 BTSI015 0.591 BTS x.xxx SE4-16 0.697 - 0.744 1.72 0.89 0.492 0.571 BTSI016 0.630 BTS x.xxx SE4-17 0.744 - 0.787 1.72 0.89 0.531 0.610 BTSI017 0.669 * With outer two start thread = on request Operating guidelines on page 714. 637