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This is a test instance of the site. Please go to https://www.accuglassproducts.com/ for the production site. 

Vented Hex Head Screws

#4-40 Vented Hex Head Screws Show 4-40 Hex Head for #4-40 Vented Hex Head Screws
4-40 Hex Head
#6-32 Vented Hex Head Screws Show 6-32 Hex Head for #6-32 Vented Hex Head Screws
6-32 Hex Head
#8-32 Vented Hex Head Screws Show 8-32 Hex Head for #8-32 Vented Hex Head Screws
8-32 Hex Head
#10-32 Vented Hex Head Screws Show 10-32 Hex Head for #10-32 Vented Hex Head Screws
10-32 Hex Head
#1/4-20 Vented Hex Head Screws Show 1/4-20 Hex Head for #1/4-20 Vented Hex Head Screws
1/4-20 Hex Head
#5/16-24 Hex Head Screws Show 5/16-24 Hex Head for #5/16-24 Hex Head Screws
5/16-24 Hex Head
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Hex Head Screws (HHS)

Vented Hex Head Screws are available in a variety of standard sizes from 4-40 to 5/16-24, and are ideally suited for vacuum venting of blind threaded holes. If you don't see the vented screw size you need listed here, please give us a call and we can provide a quote.