Twist Drills 3

Question 1

Router Drills do not have flutes but a _____ surface for the body

Answer 1

knurled

Question 2

router drills are used in composite materials such as CRP and GRP

Answer 2

Carbon or Glass Reinforced Plastic

Question 3

For rapid heavy duty drilling of large diameter holes ____ are used

Answer 3

Spade drills

Question 4

Spade drills use a _____ ____ _____ and are hollow

Answer 4

cutting tool insert

Question 5

The smaller version of the spade drills are the

Answer 5

Dagger Drills

Question 6

Dagger drills have no

Answer 6

inserts

Question 7

dagger drills are used on

Answer 7

multi layer composites

Question 8

using a mandrel and a ____ lathe smooth bore barrels were made

Answer 8

treadle

Question 9

____ of red hot iron were wrapped around the mandrel to form the barrel, this technique is called ____ ___

Answer 9

Strips, Damascus metal

Question 10

The swirling pattern of damascus is the different _____/_____

Answer 10

Composition/grade

Question 11

___ ___ ___ (_____) is how modern gun barrels are made

Answer 11

Cold Hammer Forged (swaged)

Question 12

A strait flute very long small diameter drill designed specifically for drilling firearm barrels is called

Answer 12

Gun Drill

Question 13

Gun Drills have 2 ____ ___ ____ that act as the margin and are removeable

Answer 13

Bronze Wear Pads