We supply these custom grade 5 shoulder bolts to our long time customer with recurring annual blanket purchase orders, typically with annual usage ranging between 20,000 and 25,000 pieces. They are domestically manufactured to a grade 5 standard with commercial zinc, bake and clear chromate finish. The shoulder measures .40" in diameter by .50" in length, with 5/16-18 thread rolled the balance of the screw. The overall length is 1-1/4" underneath the head.
We supply these custom hex shoulder screws to our Canadian customer, with the shoulder measuring .425 +/-.002 by 1.650 +.005/-.000 in length. 5/16-18 thread was incorporated measuring .50" in length including the unthreaded portion before the rolled thread begins. .055 radius hole was then drilled at .102" from the end of the threaded portion.
We had 10,000 pieces of these custom coupling nuts with nylon patch produced for our customer using 18-8 stainless steel material with partial internal thread. The drilled hole depth was at 19MM max and 16MM of that depth was to be threaded. Across the flats measures .500" and overall length at 1.5". The undrilled side required a 45 degree chamfer resulting in a .40" diameter round base. Nylon patch was applied at 180 degrees after the first 2 threads.
We supplied our long time medical device customer 2,500 pieces of these tricky custom stainless slotted pins. Production was done domestically using 416 stainless steel material - the original design called out for 17-4PH stainless steel material but that was found to be unnecessary for the relatively simple application. 416 SS provided a much more cost effective and faster alternative while still providing the "spring" action required when the four petals were contracted. 10 pieces were provided out of the production batch for testing and approval before the balance was completed with the slotting process.
We had 50,000 pcs of these custom 316L socket screws produced domestically for our action sports product customer. Our goal was to recreate a 70 degree taper on the head profile originally accomplished using a machined secondary process. The hardness of 316L stainless steel material made this is outcome difficult to achieve using a cold heading process. After numerous test runs and adjustments the production team was able to achieve the desired result at last.
We supply these charcoal painted truss head screws on a revolving blanket purchase order basis, with annual usage at approximately 100K pieces. The truss head screws measure 14-10 X 1-3/4 with type A sheet metal screw thread. The large sharp threads on these screws, combined with the large surface area of the truss head, make these parts very difficult to handle. Without extra care in packaging, with layers of protection between every 1,000 pcs or so, the painted head gets scratched enough to cause cosmetic issues.
These custom stainless captive screws were made using standard off the shelf 10-32 X 3/4" fully threaded socket cap screws in 18-8 stainless steel material. The .130-.150" diameter shoulder was turned down leaving approximately 1/4" of thread at the end of the screw. With a relatively loose tolerance on the shoulder diameter this job was a relative breeze and our internal part number is GM-1104-I.
These custom 52100 dowel pins were fairly ordinary in dimensional requirements but the material was quite tricky and time intensive to procure. C-52100 DFARS material per S5452100-22810A specification was used with 91.5 ksi tensile strength. Heat treatment was performed to achieve hardness of 81-83.5 HRA per customer requirements. Material certs and a certificate of conformance was provided with the parts and all production processes were done domestically in the USA.
These custom precision aluminum stamped plates work in combination with a separate custom aluminum plate in a medical device application. The parts are extremely tight tolerance dimensionally and are clear anodized prior to their final use. The overall length is set at 2.5" and overall width at its maximum point is set at 1.70". Thickness is .100 +/- .004". It took 3 different sample runs to get these parts just right before running full production.
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.
These custom button flange socket cap screws were produced using grade 2 steel material with black oxide finish and nylon patch thread locking feature. Full 8-32 thread was incorporated and the flange diameter was set at .357" +/-.005". Head height including the flange was to be at .087" +/-.005" and a 3/32 socket drive was cold headed during the production process. The blue nylon patch was applied over 180 degrees of the covered threaded section.