DEEP DRILLING - BTA SYSTEM USER GUIDE (+) Plus Parts for Diameter Enlargement. By exchanging only the peripheral cartridge and guide pads, the original head diameter can be increased up to 5 mm. (Standard plus parts = 1 mm, 2 mm , 3 mm , 4 mm , 5 mm) + Plus +1 +2 +3 +4 +5 0.039” 0.079” 0.118” 0.157” 0.197” Plus Cartidge - CAOD Original +1 mm +2 mm +3 mm +4 mm +5 mm CAOD-080 CAOD-080+1 CAOD-080+2 - - - CAOD-0845 CAOD-0845+1 CAOD-0845+2 CAOD-0845+3 - - CAOD-103 CAOD-103+1 CAOD-103+2 CAOD-103+3 CAOD-103+4 - CAOD-142 CAOD-142+1 CAOD-142+2 CAOD-142+3 CAOD-142+4 CAOD-142+5 CAOD-170 CAOD-170+1 CAOD-170+2 CAOD-170+3 CAOD-170+4 CAOD-170+5 Plus Cartidge - CAORC Original Cartridge +1 mm +2 mm +3 mm +4 mm +5 mm CAORC-0845 CAORC-0845+1 CAORC-0845+2 CAORC-0845+3 - - CAORC-103 CAORC-103+1 CAORC-103+2 CAORC-103+3 CAORC-103+4 - CAORC-142 CAORC-142+1 CAORC-142+2 CAORC-142+3 CAORC-142+4 CAORC-142+5 CAORC-170 CAORC-170+1 CAORC-170+2 CAORC-170+3 CAORC-170+4 CAORC-170+5 Plus Guide Pad Original Pad +1 mm +2 mm +3 mm +4 mm +5 mm GPS-08-25-155 GPB-08-25-155+1 GPB-08-25-155+2 GPB-08-25-155+3 - - GPS-10-35-200 GPB-10-35-200+1 GPB-10-35-200+2 GPB-10-35-200+3 GPB-10-35-200+4 - GPS-14-40-250 GPB-14-40-250+1 GPB-14-40-250+2 GPB-14-40-250+3 GPB-14-40-250+4 GPB-14-40-250+5 GPS-18-40-300 GPB-18-40-300+1 GPB-18-40-300+2 GPB-18-40-300+3 GPB-18-40-300+4 GPB-18-40-300+5 221