Custom Hex Flange Screws, Class 10.9 - M12 X 1.75 X 30MM With Black Phosphate Finish

These are custom hex flange screws we supplied to our automotive customer in grade 10.9.  The size and thread pitch is relatively common in the marketplace but the 10.9 class is a tricky find.  With the large volume required we had the parts domestically produced with black phosphate finish.  Measuring M12 X 1.75 X 30MM the hex flange head measured 23-25MM in flange diameter and 14.5-15.0MM across the flats.  Head height was set to 12MM +/-1MM, inclusive of the flange.  Full certs were available to the customer upon request.

Custom Bead Blast Flat Socket Screws - AISI 303 Stainless Steel Material

Approximately 34,000 pieces of these custom bead blast flat socket screws were supplied to our customer in the defense manufacturing sector.  Half the parts were set at 1.29" length while the other half set to 1.695" length.  The same 1/4-28 thread was incorporated on both parts and the socket drive was cold headed.  A spherical readius shape was incorporated into the top of the flat head, which is difficult to discern in the photos shown.  The head height measured .097" and the head diameter at .375".  Glass bead blast process was used to add the matte sand finish desired by our customer.

Custom Slotted Pins With Partial 6-32 Thread - 304 Stainless Steel Material

We supplied our customer a short run supply of these custom slotted pins with partial 6-32 thread.  Just over 200 pieces were produced domestically using 304 stainless steel material.  The 6-32 thread length was set at 0.18" and all other dimensions were derived from the samples our customer provided us.  These parts were relatively simple without any special services or paperwork requirements.

Custom Stainless Steel Double End Studs - 1/4-20 & 10-32 Thread in 304 Stainless Steel

We provided our customer a small batch of these custom stainless steel double end studs at just over 100 pieces.  They wanted to replicate existing parts but did not have any drawings or prints.  We used a sample piece provided to replicate all dimensions to a +/-.01" tolerance.  1/4-20 thread is incorporated on the larger diameter side and 10-32 on the other, with approximately half the thread turned down into a dog point.

Custom Partial Hex Standoffs - Fully Internally Threaded In 18-8 Stainless Steel

These custom partial hex standoffs measure M6 - 1.0M X 22MM and are domestically made using 18-8 stainless steel material.  The hex height is set at 6MM and hex across the flats at 10mm.  The round standoff portion is set to 8mm for the outside diameter.  All dimensions had +/-.01MM tolerance.  Lead time to get these parts produced was approximately 6-8 weeks from production start.  Material certs were available upon request with the parts.

Custom Geomet Coated Washers - M5 Flat Washer With Geomet 500 Finish

These custom Geomet coated washers are produced and finished domestically using 3 runs of Geomet 500 coating.  The washer itself is made using HV-140 steel material and is dimensionally almost identical to a standard DIN125A flat washer, with the thinner height being its only variation.  The ID is 5.3-5.48MM, the OD is 9.64-10MM, and the thickness is 0.8-.85MM.  A large variety of different Geomet coatings are available, not to mention the Xylan, Magni, and other trademarked finish processes at your disposal.  Lead time to get the plain flat washers produced is typically 8-12 weeks, and another 3-4 weeks for the Geomet 500 coating process.

Custom 32tpi Socket Head Cap Screws - 4140 Material With 37-44 Hardness And 1/4-32 Thread Pitch

These are custom 32tpi socket head cap screws we supplied to our automotive prototyping customer.  4140 plain alloy material was used to produce a small batch of just 25 pieces domestically in the USA.  The 1/4-32 thread pitch was really the only tricky part requiring a custom production run.  Speed was absolutely critical to our customer and we were able to get the parts made and shipped within 2 weeks from order confirmation.

Extended Thread Large B7 Hex Bolts - 7/8 X 9 ASTM A193 B7 Hex Bolts With Reworded Extended Threads

Our customer needed 24 pieces of these extended thread large B7 hex bolts, measuring 7/8 X 9 with coarse thread.  The cut thread was extended as far as possible for each of the 24 pieces and the turnaround for the small quantity was relatively fast at just a few business days.  The finalized hex bolts were supplied with nuts and washers.

Custom 316 Stainless Tapered Head Screws - 10-13 X 1.75" Thread Forming Screws With Gimlet Point & Custom Rounded Tapered Hex Head

These custom 316 stainless tapered head screws turned out to be a very tricky part - while the 10-13 thread and gimlet point were easy to incorporate, the custom head was a tough problem to solve.  A 10 degree taper was required on the hex flats and the corners rounded.  A rounded profile on a vertical cross-section of the head was also required to allow the screw to rotate while still maintaining hex head engagement.  It took three rounds of tooling to finally get the head shape just right and fit the application requirements our customer desired.  Domestic production of this part was set at 50,000 pcs with a lead time of 8-12 weeks.

Custom Small Diameter U-Bolts - 4-40 X .75" Fully Threaded Round U-Bolts In Low Carbon Steel Material

These custom small diameter u-bolts are the more unusual u bolts we have supplied over the years - the one and only time we had to get fully threaded u-bolts manufactured.  Typically only a partial length of each leg is threaded, whether cut threads or rolled, but in this case our customer specifically requested a fully threaded version.  2,000 pieces were run through a domestic production process with a lead time of 5-6 weeks.  4-40 thread was incorporated with the inside width at .57 inches and inside length at .75 inches.