Machine Screw 2-56 x 1/2 inch p-ph
Machine screw 2-56 x 1/2" long with phillips pan head top. Basic...
CALIFORNIA WARNING
This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Product Details
2-56 x 1/4" long phillips pan head machine screw
Reference:
4002-01005-08
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
6-32: 0.1380" or 69/500" diameter; 32 threads per inch
8-32: 0.1640" or 41/250" diameter; 32 threads per inch
10-32: 0.1900" or 19/100" diameter; 32 threads per inch
10-24: 0.1900" or 19/100" diameter; 24 threads per inch
12-24: 0.2160" or 27/125" diameter; 24 threads per inch
