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RedWitch Bits Conco Red Witch Bits are ideal for removing thin and thick wall scale. They are the preferred bit for copper based tubes because of the excellent water barrier maintained between the bit and the tube. Klaw Bits Our line of Klaw Bits are only for use in tubes with O.D.s of 32 mm 114 or larger. They offer excellent flushing action for large tubes that have thick wall scale or are completely blocked. Twist Bits Got a completely blocked tube Conco has your solution. Our line of Twist Bits power through blockages quickly. They feature a wide flat blade with optimum flushing volume for deposit removal. Brushes HydroDrill brushes feature weep holes to allow the water flush to pass from the Kelly Rod or Extension Rod into the tube to flush away deposits. They are used to polish tube surfaces smooth and help keep deposits from adhering during operation. The result is extended operation between cleanings and enhanced equipment reliability. Nylon Brushes are used for removal of biofouling or thin silt like deposits on all tube surfaces. Brass Brushes are ideal for removal of thin soft deposits or for high speed polishing of copper tube materials. Only use Stainless Steel Brush on hard tube materials for removing all types of soft tube deposits stronger cleaning ability and durability. GLBTRW Red Witch Bits available in sizes ranging from 13 mm 12 x 18 to 25.4 mm 1 x 18 Call for Quantity Discounts and Prices GLBTTW Twist Bits available in sizes ranging from 16 mm 58 x 12 to 38 mm 1 12 x 21 Call for Quantity Discounts and Prices GLBTKL Klaw Bits available in sizes ranging from 32 mm 114 x 12 to 70 mm 2 34 x 12 Call for Quantity Discounts and Prices Note Additional Sizes available. Bit should be 0.127 mm 0.005 smaller than tube I.D. GLBRNYL Nylon Brushes available in sizes ranging from 19 mm 34 x 12 to 51 mm 2 x 12 GLBRBRA Brass Brushes available in sizes ranging from 19 mm 34 x 12 to 51 mm 2 x 12 GLBRQ Stainless Steel Brushes available in sizes ranging from 19 mm 34 x 12 to 51 mm 2 x 12 Call for Quantity Discounts and Prices Note Custom sizes available. Note Brushes should be equal to or 2 mm 116 smaller than tube I.D. Kelly Subs and Connectors Made with both male and female threads Kelly Subs are used to adapt drill bits and brushes to both Kelly Rods and Extension Rods. To preserve the female threads on the rods it is recommended to use the hardened subs. Kelly Subs can also be used to adapt to various drill bit threads. Kelly Connectors are used to connect a short extension onto a Kelly Rod and also to connect the Extension Rods of the Mitee Mouse II GLKELLY-SUB Kelly Sub Call for Price GLKELLY-CON Kelly Connector Call for Price Extension Rod Kelly Connector Kelly Subs Kelly Rods for the Dominator Conco Kelly Rods are long square metal tubes available in various lengths custom ordered to suit the HydroDrill and heat exchanger tubing to be cleaned. They are available in 8 mm 516 14 28 female thread 10 mm 38 516 24 female thread and 13 mm 12 38 24 female thread. GLHD-ASSY-KR33 Kelly Rod for Dominator Call for Price Extension Rods for the Mitee Mouse II Conco Extension Rods are a round heavy wall metal tubes available in 0.9 or 1.8 m 3 or 6 lengths that are connected to extend the reach of the drill. They are coupled together using Kelly Connectors. Extension Rods are available in 8 mm 516 14 28 female thread 11 mm 716 516 24 female thread and 13 mm 12 38 24 female thread. GLMM-EXT Extension Rod Call for Price Note Additional Sizes available. Bit should be 0.127 mm 0.005 smaller than tube I.D. Note Additional Sizes available. Bit should be 0.127 mm 0.005 smaller than tube I.D. Established 1923 I 27