What size is AN3 bolt?

AN3 bolts have a 10-32 thread with a 3/16″ shank diameter. All sizes of AN3 bolts have a 0.406 inch thread length, regardless of grip length.

How long is an AN3 10a bolt?

Length: 1.031 in. Grip Length: 0.625 in.

What size is a AN4 bolt?

AN4 bolts have a 1/4-28 UNF thread. All sizes of AN4 bolts have a 0.469 inch thread length (except AN4-3A, which has 0.406 inch thread length).

How are aircraft bolts measured?

The length of AN aircraft bolts is measured from under the head to the end of the shank. The “grip” is the unthreaded portion of the shank.

What are NAS bolts?

NAS bolts comply with the National Aerospace Standard and are commonly used for high technology systems. NAS bolts are necessary for high strength applications and consist of a fine-threaded, dimple headed hex bolt. Material markings for NAS bolts are the same as AN bolt, except they may be either raised or recessed.

What size is an AN7 bolt?

AN7 Bolts — Undrilled Head AN7 bolts have a 7/16-20 UNF thread with a 7/16″ shank diameter. All AN7 bolts have a 0.656 inch thread length. This length is designed to accommodate a full-height nut plus one AN960-716 washer.

What is the diameter of an an5 8 bolt?

The diameter is denoted by the number following AN. Thus AN3 means a bolt with 3/16 inch diameter. The number following the dash indicates the length in eighths (1/8) of an inch up to 7/8….AN bolt description & coding.

AN	Army Navy Standard
10	Length is 1 inch (see table below)
A	Cotter pin hole not required

What is the grip of a bolt?

Grip refers to the unthreaded portion of the shank. This is the portion of the bolt that should bear against the inside of the hole.

What diameter is an AN8 bolt?

1/2″
AN8 bolts have a 1/2-20 thread with a 1/2″ shank diameter.

How do I identify NAS bolts?

Bolts with no markings are low strength. Close-tolerance NAS bolts are marked with either a raised or recessed triangle [row 3, number 4]. The material markings for NAS bolts are the same as for AN bolts, except they may be either raised or recessed.

What grade are NAS bolts?

Grade 5 steel
NAS screws. The default metal choice for most NAS screws is Grade 5 steel that can be plated with other metals.

What is AN7 on Bolt?

What is AN5 bolt?

AN5 bolts have 5/16-24 UNF threads and a 5/16″ diameter shank. All sizes of AN5 bolts have a 0.531 inch thread length, regardless of grip length. This thread length has been designed specifically to accommodate a full-height nut and one AN960-516 washer.

How do you find a bolt part number?

The number following the dash indicates the length in eighths (1/8) of an inch up to 7/8. If a bolt is longer than an inch the first digit is the number of inches and the second digit is the number of eighths. For example: AN3-12 is a bolt with 3/16 inch diameter and the length is 1 inch plus 2/8 or 1-1/4 inch long.

How do I know my grip range?

Find the last digits of the NAS- or MS-part number for the given bolt in question. The digits will follow either an A, L or a dash. Divide the number by 16 to find the grip length in inches. For example, the part number NAS464-5L20 has 20 for the last digits, so dividing by 16 indicates a grip length of 1 1/4 inches.

How do you measure bolt grip size?

Grip length refers to the unthreaded shank of the screw and it is measured from underneath the flange head to the beginning of threads.

What do the letters on bolts mean?

This will vary from manufacturer to manufacturer, but is usually one, two or three characters. The markings can identify the standard to which the bolt was made. For instance, if a bolt head contains three radial lines, then it’s a Grade 5 bolt. If it contains five radial lines, then the bolt is Grade 8.