Holding ToolsHolding Tools

Prepared byPrepared by

Dr. Dale CarpentierDr. Dale Carpentier

Monroe Area High SchoolMonroe Area High School

Modified by Georgia Agriculture Education Curriculum OfficeJune 2007

Holding ToolsHolding ToolsObjectives: As a result of this lesson, students will be

able to accomplish the following objectives.1. Identify and select appropriate holding tools for a given

project.2. Use holding tools correctly and accurately when given

a woodworking problem.3. Transfer measurements to boards for holding

purposes.

Essential Questions: What are the common holding tools used in the Ag Mechanics lab?

Block Clamp/Hand Screw ClampBlock Clamp/Hand Screw Clamp

Has wood jaws so it Has wood jaws so it won’t mark wood.won’t mark wood.

Jaws must be parallel Jaws must be parallel to have maximum to have maximum holding power.holding power.

Do not use on metal.Do not use on metal.

Bar ClampBar Clamp

Come in various Come in various lengths.lengths.

Can be used on metal Can be used on metal or wood.or wood.

C-ClampC-Clamp

Used mostly on Used mostly on metal.metal.

Can be used on wood Can be used on wood but usually leaves but usually leaves dents in wood.dents in wood.

Spring ClampSpring Clamp

Works well on wood.Works well on wood. Does not clamp as Does not clamp as

tight as some other tight as some other clamps.clamps.

PliersPliers

Used for bending and Used for bending and pulling.pulling.

Can be used to turn Can be used to turn screws and bolts.screws and bolts.

Locking pliers clamps Locking pliers clamps the tightest.the tightest.

Used mostly in Used mostly in welding lab.welding lab.

VisesVises

Bench vise is used for Bench vise is used for wood only.wood only.

Machinist vise is used Machinist vise is used for metal only.for metal only.