PROFESSIONAL REFERENCE CENTRE

Choose the right tool before you order

Practical guides, reference charts and selection advice to confirm dimensions, materials and applications.

11 technical guides
THREADING Tap drill size guide for machine tapping Find the recommended drill diameter before tapping and reduce the risk of damaged or weak threads. Open guide THREADING Metric tap diameter and pitch guide Quickly compare metric diameters, thread pitches and their corresponding tap-drill selections. Open guide EXTRACTION Left-hand tools for broken fasteners Learn when a left-hand drill can help and how to prepare for a cleaner fastener-removal job. Open guide EXTRACTION Screw extractor buying guide Choose the appropriate extractor style and size for the fastener, available access and break condition. Open guide DRILLING HSS vs cobalt drill bits for steel Compare heat resistance, tool life and the best applications for each drill-bit material. Open guide MAG DRILLING How to choose an annular cutter Confirm cutting depth, diameter, geometry and magnetic-drill compatibility before ordering. Open guide MAG DRILLING Magnetic drill parts buying guide Identify the components, accessories and replacement parts that fit your magnetic-drilling equipment. Open guide HOLE FINISHING Precision reamers buying guide Compare reamer styles for hole enlargement, alignment and accurate final sizing. Open guide TURNING Cutting tool bits for lathe work Select the tool material and geometry suited to common turning and profiling operations. Open guide FABRICATION Cutting tools for steel fabrication Explore the tool families used to drill, enlarge, countersink and prepare steel components. Open guide MASONRY Concrete and masonry tool-set guide Compare tool sets by work material, required diameter and jobsite application. Open guide

What Is an Annular Cutter Pilot Pin?

A pilot pin helps locate the hole, guide the cutter and assist with slug ejection.

What Is an Annular Cutter Pilot Pin?

A pilot pin helps locate the hole, guide the cutter and assist with slug ejection.

What Is a 3/4-Inch Weldon Shank?

A 3/4-inch Weldon shank is a common annular cutter interface used with compatible magnetic drill arbors.

Magnetic Drill Presses for Magnetic Drill Tools

The best magnetic drill presses choice for mag drilling balances performance, compatibility and total job cost. Use this practical checklist to move from the application to the right product configuration.

Hole Cutter Sets for Industrial Machining Tools

The best hole cutter sets choice for industrial machining balances performance, compatibility and total job cost. Use this practical checklist to move from the application to the right product configuration.

Floor Scrapers for Concrete & Flooring for Industrial Machining Tools

The best floor scrapers choice for industrial machining balances performance, compatibility and total job cost. Use this practical checklist to move from the application to the right product configuration.

Screw Extractor Sets for Industrial Machining Tools

The best screw extractor sets choice for industrial machining balances performance, compatibility and total job cost. Use this practical checklist to move from the application to the right product configuration.

Fiberglass Router Bits for Fiberglass Routing Tools

The best fiberglass router bits choice for fiberglass routing balances performance, compatibility and total job cost. Use this practical checklist to move from the application to the right product configuration.

Carbide Burr Sets for Metal Deburring Tools

The best carbide burr sets choice for deburring balances performance, compatibility and total job cost. Use this practical checklist to move from the application to the right product configuration.

Magnetic Drill Replacement Parts for Mag Drill Maintenance Parts

The best mag drill parts choice for mag drill maintenance balances performance, compatibility and total job cost. Use this practical checklist to move from the application to the right product configuration.

Screw Extractors for Broken Fasteners for Industrial Machining Tools

The best screw extractors choice for industrial machining balances performance, compatibility and total job cost. Use this practical checklist to move from the application to the right product configuration.

How to Drill Structural Steel

Structural steel drilling depends on rigidity, depth, hole diameter and reliable chip control.

How to Tap a Through Hole

Through holes allow chip exit, but alignment and tap-drill size still control thread quality.

How to Tap a Blind Hole

Blind-hole tapping requires planning for chip evacuation, thread depth and bottom clearance.