Custom 4140 Flat Socket Head Screws - Custom 1/4-28 X .595" Flat Socket Screws For Aerospace Applications

These custom 4140 flat socket head cap screws were produced domestically for our aerospace customer using AISI 4140 alloy steel material per AMS 6349.  Heat treat to 160-180 ksi per AMS 2759 was performed to finalize the production process.  Magnetic particle inspection per ASTM 1444 (Type I, Meth A, Sens Lev 3) was performed after the machining process was completed.  Lead time for this part varies significantly based on how busy the manufacturing and testing facilities are at the time of start.

Custom Captive Stainless Screws - 10-32 X 1.76 In 18-8 Stainless Steel Material

These are custom captive stainless steel screws we supplied to our construction customer, who refers to them as "Gripper Screws".  Production was done domestically in the USA at approximately 5,000 pieces and a lead time of 6-8 weeks.  The multi-step flat head was made using a cold heading process and the 10-32 thread was rolled at 0.2" in length.  The diameter of the unthreaded shoulder was set at 0.14" +/-.015.

Custom Phil Flat Machine Screws To Print - 1/4-28 X 13/16 In Steel With Black Oxide Finish

These custom phil flat machine screws are made domestically in the United States using low carbon steel material with black oxide finish and light oil.  We supply them on revolving 12 month blanket purchase orders with other custom hardware items the same customer purchases from us.  Initial lead time for custom machine screws like these is 5-6 weeks from order and drawing approval.