Ultra Bit 3-Piece Quick Release Multi-Diameter Step Drill Bit Set – CTD68581

Description

Norseman Quick Release Ultra Bit 3-Piece Multi-Diameter Step Drill Set – Titanium Nitride Coated, Made in USA, CTD68581

The Norseman Quick Release Ultra Bit 3-Piece Step Drill Set is designed for fast, accurate drilling of multiple hole sizes without constantly changing bits. Featuring a titanium nitride (TiN) coating and specialized spiral flute design, these step drill bits provide excellent cutting performance, reduced friction, and extended tool life.

Each bit features a 135° split point for easy starting without a pilot hole and a three-flat shank to help prevent chuck slippage. Ideal for drilling thin metals, plastics, wood, and composites, this American-made set delivers dependable performance for professional and general-purpose applications.

Key Features:

• 3-Piece Step Drill Set: Includes three multi-diameter drill bits.
• Multiple Hole Sizes: Drill various hole diameters without changing bits.
• Titanium Nitride Coating: Improves hardness, lubricity, and wear resistance.
• Extended Tool Life: TiN coating provides up to six times longer life than uncoated tools.
• 135° Split Point: Helps prevent walking and allows drilling without a pilot hole.
• Spiral Flute Design: Improves chip removal and reduces clogging.
• 3-Flat Shank: Helps prevent slipping inside the drill chuck.
• Quick Release Design: Allows convenient bit changes with compatible quick-change systems.
• Made in USA: Manufactured in the United States.

Specifications:

• Part Number: CTD68581
• Brand: Norseman
• Product Series: Quick Release Ultra Bit
• Product Type: Multi-Diameter Step Drill Bit Set
• Number of Pieces: 3
• Drill Bit 1 Size Range: 1/8″ to 1/2″
• Drill Bit 2 Size Range: 3/16″ to 7/8″
• Drill Bit 3 Size Range: 7/8″ to 1-1/8″
• Drill Type: Step Drill
• Series / Type: 78-QRN
• Coating: Titanium Nitride (TiN)
• Point Angle: 135°
• Point Style: Split Point
• Shank Style: Quick Release, 3-Flat Shank
• Flute Design: Spiral Flute with Axial and Radial Geometry
• Pilot Hole Required: No, for Suitable Materials
• Recommended Materials: Thin Metals, Rigid Plastics, Wood & Composites
• Material Thickness: Equal to or Less Than the Step Thickness
• Country of Origin: USA
• Application: Drilling Multiple Hole Sizes in Thin Materials
• Shipping: Free Shipping

Use the appropriate drilling speed and cutting lubricant for your material. Do not exceed the recommended material thickness for each step. Secure the workpiece and wear proper eye protection during drilling.

 

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Always follow proper OSHA drill safety guidelines when operating power tools, especially when working with hard materials like cast iron, brass, or hardened steel.