3 mm

6 mm

8 mm

12 mm

Correct

Incorrect

Yes

No

Unknown

None

0.20 to 0.40%

0.35 to 0.45%

0.40 to 0.60%

none of these

slotted for a screw driver and are generally used with a nut

similar to tap bolts except that they are of small size and a variety of shapes of heads are available

used to prevent relative motion between the two parts

none of the above