Metal working tools are tempered harder than wood working tools and are made of what is known as tool-steel.

For your kit of machinists' tools get (1) a ball pein hammer which weights about 8 ounces - this is a regular machinists' hammer; (2) a pair of 4 inch side cutting pliers; (3) a pair of 8 inch tinners' snips which makes a 2 inch cut; (4) a jeweler's adjustable saw frame; (5) a hack saw frame to hold an 8 inch saw blade; (6) a hand drill stock with a chuck for holding round shank drills from 0 to 3/16 inch in diameter.

(7) Four Morse twist drills 1/16, 3/32, 1/8 and 3/16 inch in diameter; (8) a 6 inch steel rule, graduated into 8ths, 16ths, 32nds and 64ths of an inch; (9) a machinist's steel square with a 2 1/2 inch blade; (10) a pair of 3 inch spring dividers; (11) a pair of 3 inch inside spring calipers; (12) a pair of 3 inch outside calipers; (13) a center punch; (14) a No. 1 set of screw cutting taps and dies, this set contains a stock or handle and five taps and five dies which cut 7/64, 9/64, 5/32, 3/16, and 7/32 inch in diameter.

Tinners Snips

Soldering Copper And Alcohol Lamp

Flat Nose Side Cutting Pliers

Flat Nose Pliers

Round Nose Pliers

A Bench Level

A Wire Guage

A Rose Countersink

A Taper Reamer

Oil Can And Oilstone

Set Of Screw Cutting Taps And D/Es

Machinists Vise

Fig. 27. The Chief Metal Working Tools

Hand Drill Stock And Drill

Spring Dividers

Spring Calipers Outside

Spring Calipers Inside

Jewellers Adjustable Saw Frame

Hack Saw

Steel Rule

Machinist's Steel Square

Center Punch

Cold Chisel

1-Shell Square Taper 2-Round Or Rat Tail 3-Hand Or Flat Kinds Of Files

Fig. 28. Some Other Metal Working Tools

(15) A few files - flat, hand, round and halfround in shape and the smooth and second cut will be the most useful; (16) several screw drivers, small and large; (17) a soldering copper that weighs about 1/2 a pound; (18) a can of soldering paste, or you can make a soldering fluid yourself, and (19) an alcohol lamp, which I told you how to make in the last chapter, or a Bunsen burner if you have a supply of gas, and (20) a machinist's vise. All of these tools are shown in Figs. 27 and 28.