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DRVS
ISTR-EC
Single Tube Trepanning Drills
with Outer 4-Start Thread, DCN-DCX DCONMS
Cartridges, and Adjustable
Diameter (3.937-12.913" dia.) APMX
LF
Designation DCN (1) DCX (2) APMX DRVS (3) LF DCONMS
ISTR-EC 3.937-4.409 3.937 4.409 1.4961 4.213 6.850 3.504
ISTR-EC 4.410-4.881 4.410 4.881 1.4961 4.685 8.031 3.976
ISTR-EC 4.882-5.354 4.882 5.354 1.9488 5.157 8.031 4.449
ISTR-EC 5.355-5.826 5.355 5.826 1.9488 5.630 8.031 4.921
ISTR-EC 5.827-6.299 5.827 6.299 1.9488 6.102 9.016 5.394 DEEP DRILLING - BTA SYSTEM
ISTR-EC 6.300-6.771 6.300 6.771 1.9488 6.575 9.016 5.866
ISTR-EC 6.772-7.244 6.772 7.244 1.9488 7.047 9.016 6.339
ISTR-EC 7.245-7.716 7.245 7.716 1.9488 7.520 9.803 6.811
ISTR-EC 7.717-8.188 7.717 8.188 2.2244 7.992 9.803 7.283
ISTR-EC 8.189-8.661 8.189 8.661 2.2244 8.465 9.803 7.756
ISTR-EC 8.662-9.133 8.662 9.133 2.2244 8.937 11.181 8.189
ISTR-EC 9.134-9.606 9.134 9.606 2.2244 9.409 11.181 8.661
ISTR-EC 9.607-10.078 9.607 10.078 2.2244 9.882 11.181 9.134
ISTR-EC 10.079-10.551 10.079 10.551 2.2244 10.354 11.969 9.606
ISTR-EC 10.552-11.023 10.552 11.023 2.2244 10.827 11.969 10.079
ISTR-EC 11.024-11.496 11.024 11.496 2.2244 11.299 11.969 10.551
ISTR-EC 11.497-11.968 11.497 11.968 2.2244 11.772 12.756 11.024
ISTR-EC 11.969-12.440 11.969 12.440 2.2244 12.244 12.756 11.496
ISTR-EC 12.441-12.913 12.441 12.913 2.2244 12.717 12.756 11.969
• For user guide and quotation form, see pages 330-338 • Ordering example: DSTR-EC 120.55
(1) Cutting diameter minimum
(2) Cutting diameter maximum
(3) Torque key size
For inserts, see pages: TPMX (267)
For holders, see pages: TS-I** (322)

Peripheral Peripheral Inner/Central Inner/ Central Guide Guide Pad Sub Guide
Diameter Cartridge Qty. Insert Qty. Cartridge Qty. Insert Qty. Pad Qty. Protectors Qty. Pad Qty.
ISTR-EC 3.938-4.409 CAOD-103 1 TPMX 1704RG 1 CAID-103L 3 TPMX 1704RG 3 GPB-18-40-300 3 GPP-09 3 SGP-04 1
ISTR-EC 4.410-4.881 CAOD-103 1 TPMX 1704RG 1 CAID-103L 3 TPMX 1704RG 3 GPB-18-40-300 3 GPP-09 3 SGP-04 1
ISTR-EC 4.882-5.354 CAOD-142 1 TPMX 2405RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-18-40-300 3 GPP-09 3 SGP-04 1
ISTR-EC 5.355-5.826 CAOD-142 1 TPMX 2405RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-18-40-300 5 GPP-09 5 SGP-04 1
ISTR-EC 5.827-6.299 CAOD-142 1 TPMX 2405RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-18-40-300 5 GPP-09 5 SGP-04 1
ISTR-EC 6.300-6.771 CAOD-142 1 TPMX 2405RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-18-40-300 5 GPP-09 5 SGP-04 1
ISTR-EC 6.772-7.244 CAOD-142 1 TPMX 2405RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-18-40-300 5 GPP-09 5 SGP-04 1
ISTR-EC 7.245-7.716 CAOD-142 1 TPMX 2405RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-18-40-300 5 GPP-09 5 SGP-04 1
ISTR-EC 7.717-8.188 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-18-40-300 5 GPP-09 5 SGP-04 1
ISTR-EC 8.189-8.661 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 8.662-9.133 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 9.134-9.606 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 9.607-10.078 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 10.079-10.551 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 10.552-11.023 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 11.024-11.496 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 11.497-11.968 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 11.969-12.440 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1
ISTR-EC 12.441-12.913 CAOD-170 1 TPMX 2807RG 1 CAID-142L 3 TPMX 2405RG 3 GPB-22-50-750 3 GPP-10 3 SGP-04 1

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