Everything and stuff

Bolts and screws are different..

• A bolt has a fairly long thread section and a comparatively short grip length or unthreaded portion.

• A screw has a fairly short thread section and a comparatively long grip length or unthreaded portion.

• A bolt has a fairly short thread section and comparatively long grip length or unthreaded portion..

• N/A

what is the thread angle of a British standard classification?

• 60 degrees

• 65 degrees.

• 55 degrees.

What is an example of thread callout?

• (Minor)Internal diameter of the thread, length of thread in TPI or mm and UNF standard.

• Pitch of the thread, length of the thread and SI standard.

• Major(external) diameter, pitch of thread in TPI or mm and thread standard e.g. UNF,UNF,SI

• N/A

Generally. aircraft screws are a..

• Class 3 fit

• Class 4 fit

• Class 2 fit.

What size is an AN9-7 standard Alloy Steel aircraft bolt

• 7/16 inch shank diameter,9/8 inch long, 20 TPI.

• 9/16 inch shank diameter,7/16 inch long,20 TPI..

• 9/16 inch shank diameter,7/8 inch long,18 TPI.

What size is a clevis bolt AN28-12A?

• 12/16 inch diameter,8/16 long, no split pin hole and 20 TPI

• 28/16 inchlong,1/2 inch diameter with split pin hole and 18TPI.

• 8/16(1/2 ) inch diameter, 12/16 inch long, no split pin hole and 20 TPI.

Which classification of bolts is in the AN173 to AN186

• Eye bolts.

• Drilled head Engine bolts.

• Close tolerance bolts.

Which bolts are classified in the MS20004 to MS200024?

• Precision Airframe bolts.

• Eye bolts.

• Internal wrenching bolts.

NAS Bolts (precision bolts) have..

• Odd dash numbers for standard length, even for 1/16 longer grip length, Bolt length in 1/16 from under the head,22 TPI.

• Grip length is length of bolt in 1/16 inch from under the head, odd dash numbers special application, 22 TPI.

• Even dash numbers standard length in 1/8 inch, grip length measured from under the bolt head to the head end of the thread odd dash numbers 1/16 longer.

A self locking nut`s dash number specifies..

• circumference and material.

• diameter of the bolt it fits and material

• Diameter of the bolt it fits and threads per inch