Custom Cross Drilled Thumb Screws - M10-1.25 X 25MM-30MM

These sweet custom cross drilled thumb screws were produced domestically using low carbon steel material with plain finish.  Two different sizes were produced: M10-1.25 X 25MM and M10-1.25 X 30MM.  The head on both sizes measured 15MM in diameter and in height.  The cross drilled holes have a diameter of 6MM with a slight chamfer at each opening.  Typically a thumb screw like this would have knurling around the head but our customer decided to forgo that feature.

Custom Drilled Socket Head Cap Screws In 17-4 PH, AMS 5643 Material

These are custom drilled socket head cap screws we supplied our customer that specializes in aerospace parts repair.  They are made domestically in the USA using 17-4 PH/AMS 5643 material with AMS 2759/3, H1100 (30-37 Rc) heat treat, heavy medium sand blast, and finally passivation.  The socket head is drilled in four places at 60 degrees between each pair, using a #56 drill bit at .0465" diameter.  The length is set at .635-.615 inches and the 8-32 UNJC-3A threaded section is to be maintained at .510 to .490 inches.