PowerPoint ® Presentation Unit 16 Portable Power Drills and Screwdrivers Portable Power Drills Power Screwdrivers Power Drill, Impact Wrench, and Screwdriver.

PowerPoint® PresentationPowerPoint® Presentation

Unit 16Unit 16Portable Power Drills and

ScrewdriversPortable Power Drills and

Screwdrivers

Portable Power Drills • Power Screwdrivers • Power Drill, Impact Wrench, and Screwdriver Safety

Portable Power Drills • Power Screwdrivers • Power Drill, Impact Wrench, and Screwdriver Safety

Unit 16 — Portable Power Drillsand Screwdrivers

Unit 16 — Portable Power Drillsand Screwdrivers

Power drills are available in a variety of sizes and grip configurations and for a variety of power sources. Select the appropriate tool for the operation being performed.

Power drills are available in a variety of sizes and grip configurations and for a variety of power sources. Select the appropriate tool for the operation being performed.

Unit 16 — Portable Power Drillsand Screwdrivers

Unit 16 — Portable Power Drillsand Screwdrivers

Bit shanks are straight or reduced in diameter. Reduced-shank bits allow a bit that is larger in diameter than the drill capacity to fit a chuck.

Bit shanks are straight or reduced in diameter. Reduced-shank bits allow a bit that is larger in diameter than the drill capacity to fit a chuck.

Unit 16 — Portable Power Drillsand Screwdrivers

Unit 16 — Portable Power Drillsand Screwdrivers

A variety of bits, including twist drills, masonry bits, and hole saws, are commonly used to bore holes in wood and nonwood materials.

A variety of bits, including twist drills, masonry bits, and hole saws, are commonly used to bore holes in wood and nonwood materials.

Unit 16 — Portable Power Drillsand Screwdrivers

Unit 16 — Portable Power Drillsand Screwdrivers

A hammer-drill is typically used to drill holes in concrete. Carbide-tipped percussion masonry bits are used to drill concrete.

A hammer-drill is typically used to drill holes in concrete. Carbide-tipped percussion masonry bits are used to drill concrete.

Unit 16 — Portable Power Drillsand Screwdrivers

Unit 16 — Portable Power Drillsand Screwdrivers

A rotary hammer may be used to chip concrete with a cold chisel bit.

A rotary hammer may be used to chip concrete with a cold chisel bit.

Unit 16 — Portable Power Drillsand Screwdrivers

Unit 16 — Portable Power Drillsand Screwdrivers

Impact wrenches are used to install and remove nuts, bolts, and screws.

Impact wrenches are used to install and remove nuts, bolts, and screws.

Unit 16 — Portable Power Drillsand Screwdrivers

Unit 16 — Portable Power Drillsand Screwdrivers

A drywall screwdriver is specifically designed for fastening gypsum board to support members.

A drywall screwdriver is specifically designed for fastening gypsum board to support members.