Machine Screw 5-40 x 1/2" p-ph

5-40 x 1/2" machine screw with phillips pan head.

Good replacement for Bally EOS switch mounting screw. Original length was 7/16".

Reference:

• 4005-01005-08

• Bally MPSR-540--1807

• Fastener part numbering system explained:

• The last 2 digits (XX) of the 4 digit fastener part number

• prefix

• (40XX-12345-12) indicates the standard stud size of the bolt or screw. For example, part No.4006-01030-12 indicates a No.6 stud diameter (.138") fastener.

• The

• middle

• 5 digits describe the fastener head style or other features.

• The 2 digit part number

• suffix

• for bolts and screws (-12, -04, -16, etc) indicates the number of 1/16" length increments of the fastener. For example, part No.4004-01003-04 indicates a screw that is 4/16" long or 1/4" long.

• Basic diameters and threads of Standard

• SAE

• (Society of American Engineers) numeric system small machine screws are shown below.

• The diameters of machine screws are indicated with the number of threads per inch. Here is a list of common sizes in inches:

• 2-56: 0.0860" or 43/500" diameter; 56 threads per inch

• 4-40: 0.1120" or 14/125" diameter; 40 threads per inch

• 5-40: 0.1250" or 1/8" diameter; 40 threads per inch