Fastening Tools and Techniques

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Questions and Answers

What is the advantage of a ratcheting box end wrench compared to a standard box end wrench?

It can only fit 6-point fasteners

It needs as little as 5 degrees to move the fastener (correct)

It has a shorter pattern length

It requires 30 degrees to move the fastener

What type of fasteners can a ratcheting box end wrench fit?

Only 12-point fasteners

6-point, 12-point, and square fasteners (correct)

Only 6-point fasteners

Only square fasteners

What is an Allen wrench used for?

For fastening or loosening bolts

For tightening or loosening pipes

For cutting through metal

For fastening or loosening alien set screws (correct)

What is important for proper tool care?

Regular inspection and replacement of damaged tools Signup and view all the answers

What is a key aspect of good housekeeping?

Properly storing tools after use Signup and view all the answers

What is the purpose of a screwdriver?

To exert a turning force on screws and other slotted fasteners Signup and view all the answers

What is an important aspect of safe tool use?

Using the right tool and size for the job Signup and view all the answers

What does OPITO outcome K 1.7 cover?

Types, uses, and care of screwdrivers Signup and view all the answers

What is the purpose of countersinking?

To install a counter head screw Signup and view all the answers

What type of drill is used for counterboring?

Counter boring drill Signup and view all the answers

What is the characteristic of a step drill?

It has a descending ladder-like appearance Signup and view all the answers

What type of material is a masonry bit used for?

Brick, stone, and concrete Signup and view all the answers

What is the purpose of a brad point on a wood brad point drill bit?

To ensure accurate positioning Signup and view all the answers

What is the characteristic of a wood brad point drill bit?

It has a pointed tip Signup and view all the answers

Why do masonry bits need to be replaced regularly?

They wear out quickly Signup and view all the answers

What is the benefit of using a step drill?

It can drill holes of different diameters Signup and view all the answers

What is the primary purpose of the shape of a screwdriver handle?

To give a good grip for turning Signup and view all the answers

What is the benefit of a screwdriver handle with a greater diameter?

It provides more leverage Signup and view all the answers

What type of screwdriver is powered by electricity or a battery?

Powered Screwdriver Signup and view all the answers

What is the primary function of a ratchet screwdriver?

To make turning the screw simple and repetitive in one direction Signup and view all the answers

What type of screwdriver is often used by mechanics to loosen larger screws, bolts, and nuts?

Impact Screwdriver Signup and view all the answers

What is the primary feature of a magnetic screwdriver?

It has a magnetized tip Signup and view all the answers

What is the primary advantage of using a screwdriver?

It can be used for both mechanical and electrical work Signup and view all the answers

What is the primary design feature of a manual screwdriver?

A thick handle and a cylindrical rod Signup and view all the answers

Study Notes

Fastening and Removing Tools

Ratcheting box end wrenches need as little as 5-Degrees to move a fastener, compared to 30 degrees for standard box end wrenches.
They have excellent torque capabilities to break a stubborn, rusted fastener and fit multiple types of fasteners, including 6-point, 12-point, and square.

Ratchets

Ratchets have a drive switch.

Allen Wrenches

An Allen wrench is an "L" shaped piece of hexagonal tool steel used for fastening or loosening Allen set screws.
They have an Across Flat (AF) measurement.

HSE Care and Proper Use of Tools

Good housekeeping, proper PPE, and proper tool selection for the job at hand are essential for HSE.
Tool condition and maintenance involve regular inspections and replacing damaged tools.
Tools should be stored properly after use and cleaning.
Proper use of tools involves using the right tool and size for the job and using the correct method.

Screwdrivers

Screwdrivers are fastening tools designed for exerting a turning force required to insert or remove screws and other slotted fasteners.
Types of screwdrivers include standard, stubby, and offset screwdrivers.

Screwdriver Designs

Manual screwdrivers have a thick handle and a cylindrical rod.
Powered screwdrivers are powered by electricity or a battery and can be powered by power drills with multi-bit screwdrivers.
Ratcheting screwdrivers feature an internal ball-bearing mechanism that makes turning the screw simple and repetitive in one direction.
Impact screwdrivers deliver a strong, sudden rotational force and forward thrust, often used by mechanics to loosen larger screws, bolts, and nuts.
Magnetic screwdrivers have a magnetized tip, making it simpler to install or remove screws.

Cutting Tools

Twist drill bits are used for drilling holes in various materials.
Types of drill bits include:
- Step drill: used for drilling holes in sheet metal.
- Masonry bit: used for drilling holes in brick, stone, and concrete.
- Wood Brad Point Drill Bit: used for woodworks, has a pointed tip to ensure accurate positioning.

Countersinking Drill

Countersinking is done by drilling holes at a 60° or 82° angle.

Counter Boring Drill

Counterboring is done with a drill bit specifically designed for Allen screws.

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Description

Learn about different types of fastening tools, including ratchet wrenches, and their applications in removing and fastening stubborn or rusted fasteners.