Advancements through technology and process improvements have placed Rocky Mountain Twist as the quality leader of industrial drill bit manufacturing.

At Rocky Mountain Twist, each of our proprietary drill grinding cells transform solid high-speed steel blanks into finished drill bits without leaving the cell. Using revolutionary rotary methodology, a drill blank is oriented once then moves through each manufacturing phase in a precise computer controlled operation. This process innovation ensures the highest degree of repeatable quality manufacturing in the industry.

• Jobber Lengths

• Series JH800 118° General Purpose Bright
• Series JH801 118° General Purpose Steam Oxide
• Series JH500 135° Steam Oxide
• Series JH513 135° Heavy Duty Titanium
• Series JH522 137° heavy Duty Black & Gold
• Series JH514 135° Heavy Duty Cobalt
• Series JH800-R 118° General Purpose Bright
• Series JH500-R 135° Heavy Duty Steam Oxide

• Screw Machine

• Series SH500 135° Heavy Duty Bright
• Series SH501 135° Heavy Duty Steam Oxide
• Series SC514 135° Heavy Duty Cobalt

• Aircraft Extension

• Series 6H500 6” Heavy Duty 135° Bright
• Series 6H501 6” Heavy Duty 135° Steam Oxide
• Series 6C514 6” Heavy Duty 135° Cobalt
• Series 12H501 12” Heavy Duty 135° Steam Oxide

• Silver Deming

• 118° General Purpose Black & Silver
• 118° General Purpose Cobalt
• 118° General Purpose Black & Gold

• Threaded Shank

• 135° Threaded Shank High Speed Steel
• 135° Threaded Shak Cobalt

• Drill Sets

• 13 Piece Set – Jobber Length
• 15 Piece Set – Jobber Length
• 21 Piece Set – Jobber Length
• 26 Piece Set – Jobber Length & Screw Machine
• 29 Piece Set – Jobber Length
• 60 Piece Set – Jobber Length & Screw Machine
• 115 Piece Sets – Jobber Length & Screw Machine

• Hex Shank

• 1/4” & 7/16” Fast Change Connectors
• 1/4” & 7/16” Heavy Duty Bright
• Screw Guide
• 1” Driver Bits
• 2” Driver Bits
• Power Groove Countersink
• Drill & Driver
• High Speed Steel Drill-Tap-Countersink

• Taps

• Hand Taps
• Form Taps
• Spiral Point Taps
• Pipe Taps
• Interrupted Thread Taps
• Spiral Flute Taps