310101bB Layout & Power Tools

Layout Dye

A coating applied to metal workpieces to provide a clean dark surface for scribing.

Scribers

Tools used to scratch the metal workpiece with the use of a straightedge or square.

Dividers

Tools used to scribe arcs and circles, available in both firm joint and spring joint types.

Solid Square

A tool used to scribe perpendicular lines and 90° angles.

Combination Square

A tool that combines a square for checking right angles with a ruler for measuring.

Drill Press

A power tool used for making precise holes in materials, capable of managing up to a ½ inch diameter hole.

Center Punch

A tool used to create a small indent in the material to guide the drill bit.

Pilot Hole

A small hole drilled to guide larger drill bits and prevent chattering.

Twist Drills

Drill bits with helical flutes used for drilling holes, available in fractional, number, letter, and metric sizes.

Cutting Speed

The rate at which the outside edge of the drill moves through the material.

Spindle Speed RPM

The speed at which the drill rotates, affecting the cutting process.

Bench Grinders

Common workplace tools that require safety measures to prevent injury, such as guards and eye shields.

Tool Rest

An adjustable rest on a grinder that should be set close to the grinding wheel to prevent accidents.

Portable Grinders

Handheld grinders that require safety gear and proper handling to avoid injuries.

Cut-Off Saws

Power tools used for square and miter cutting, requiring safety checks such as inspecting the cutting discs.

PPE (Personal Protective Equipment)

Safety equipment worn to minimize exposure to hazards in the workplace.