7.3.2 Screwdrivers

Question 1

What is a screw?

Answer 1

A screw is a common type of fastener found on aircraft, essentially a machined bolt with a thread cut into it and a head designed for a screwdriver.

Question 2

What are the main parts of a screwdriver?

Answer 2

A screwdriver consists of a Tip/Blade, shank, and Handle.

Question 3

What materials are used for the handle of a screwdriver?

Answer 3

The handle is typically made from wood or plastics that are non-conductive of electricity or heat.

Question 4

What is the shank of a screwdriver made from?

Answer 4

The shank is made of carbon steel and is sometimes sheathed for user protection against electric shock.

Question 5

What is the purpose of the blade or tip of a screwdriver?

Answer 5

The blade or tip is hardened to provide protection and long life.

Question 6

How are screwdrivers classified?

Answer 6

Screwdrivers are classified by their type of tip, which fits the driving surface of the fastener.

Question 7

What is a socket drive screwdriver?

Answer 7

A socket drive screwdriver has a socket type arrangement at the end of the shank that can accept multiple screwdriver bits.

Question 8

What is a special-to-type screwdriver?

Answer 8

Dedicated screwdrivers available for the removal of special-to-type fasteners found in electronic and electrical equipment.

Question 9

What are some variations of screwdrivers?

Answer 9

Variations include long reach, stubby, offset, ratchet, insulated, and watchmakers screwdrivers.

Question 10

What are the most common types of screwdriver tips?

Answer 10

Common types include Slotted, Phillips, Reed & Prince, Pozidriv, Torx, Internal Hex, Tri-Wing, Torq Set, and MorTorq.

Question 11

What is a slotted screwdriver?

Answer 11

A slotted screwdriver is used for slotted head screws or fasteners and comes in various sizes determined by blade gauge and width.

Question 12

What is the application of a Phillips screwdriver?

Answer 12

Phillips screwdrivers are used for Phillips screws and are sized by a number corresponding to the size of the tip.

Question 13

What is the difference between Phillips and Reed & Prince screwdrivers?

Answer 13

Reed & Prince screwdrivers have a pointed end and a larger angle in the V shape, providing greater resistance to cam-out.

Question 14

What is the advantage of Pozidriv screwdrivers?

Answer 14

Pozidriv screwdrivers provide more contact area with the screw, reducing the risk of cam-out.

Question 15

What are Torx screwdrivers known for?

Answer 15

Torx screwdrivers allow for more torque application with reduced cam-out risk and require less operator effort.

Question 16

What are internal hex screwdrivers also known as?

Answer 16

Internal hex screwdrivers are also known as Allen Key screwdrivers.

Question 17

What is the purpose of tri-wing screwdrivers?

Answer 17

Tri-wing screwdrivers provide greater torque transfer to the screw.

Question 18

What is the design of a Torq-set screwdriver?

Answer 18

Torq-set screwdrivers have an offset cross shape that allows for greater torque transfer.

Question 19

What is unique about MorTorq screwdrivers?

Answer 19

MorTorq screwdrivers have four curved wings that fit into the screw head, allowing for high torque application.

Question 20

What is the function of Hi-Torque screwdrivers?

Answer 20

Hi-Torque screwdrivers allow for higher torque application and are suitable for repeated installation and removal.

Question 21

What is a screw extractor?

Answer 21

A screw extractor is a tool used to remove tight or damaged screws by applying more force through leverage.