High Definition For ASTM A307 Grade A Hex Cap Screws Wholesale to Kyrgyzstan
Product Detail
ASTM A307 Grade A Hex Bolts Hex Cap Screws
Standard: ASME B18.2.1
(Various types of configuration are also available)
Thread Size: 1/4”-4” with various lengths
Grade: ASTM A307 Grade A
Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on
Packing: Bulk about 25 kgs each carton, 36 cartons each pallet
Advantage: High Quality and Strict Quality Control, Competitive Price,Timely Delivery; Technical Support, Supply Test Reports
Please feel free to contact us for more details.
Product Tags
High Definition For ASTM A307 Grade A Hex Cap Screws Wholesale to Kyrgyzstan Related Video:
It has come to my attention that an identical machine has already been conceptualized and patented US patent # 20030012675 A1
It seems everything has already been invented 
Models:
https://docs.google.com/open?id=0Bz85oSr4b0ZAMmIxYzlkZTEtMzExNS00ZTgzLWJmZmItNDVjMWI2NmFkYzNi
The current screw profile is not sealed ie: some leakage can occur from one discrete air pocket to the next, and the current profile would leak. I believe there may be an air tight profile tho, as some more complicated profiles have been used in screw compressors.