Custom Mild Steel Washers - Plain Finish

 

These custom mild steel washers were manufactured with plain finish to work on a T-bolt and nut assembly for an agricultural equipment application.  Medium steel material was used for additional strength and the inside diameter set to .406" +/-.015" to fit over 3/8-20 thread on the bolt.  The outside diameter was set to .815" +/- .015" and thickness set to .086"-.132".  Full certs were made available with the parts and.

Custom Stainless Shoulder Captive Screws - Cold Drawn 303 SS

 

These custom stainless shoulder captive screws were manufactured using cold drawn stainless steel bar stock material with a cold headed head and drive.  6-32 thread was incorporated at 5mm +/- 0.5, with a lead in chamfer per print.  The head was made to 8mm in diameter and 1.5mm in height, with the step shoulder measuring 3.6 in diameter by 2mm in length.  The long captive shoulder was set to 2.3mm +0/-0.2 diameter.  Overall length is 31.5mm and the head featured a #2 phillips drive.

Custom Knurled Slotted Thumb Screws - Steel Zinc Material

 

These custom knurled slotted thumb screws were manufactured at 5,000 pieces using low carbon steel material with zinc clear finish.  6-32 thread was incorporated at .375" length underneath the head.  Knurled head diameter was set to .313" and head height to .188".  The slotted drive was .035" +/-.005" deep and .045" +/-.005" wide.  Our customer used these custom screws in their electronics assembly process.  Full certs were made available to our customer upon request.

Custom Grade 5 Hex Nuts - SAE J995 Steel

 

These custom grade 5 hex nuts were manufactured using SAE J995 steel material for an agricultural equipment operator, with black oxide finish.  Width across the flats was set to .551-.563" and the height was specified at .401-.402".  The internal thread pitch was the oddest part for the custom nut, with a 3/8-20 pitch and 2B thread fit.  Full certs were provided with the parts.  

Custom 4340 Alloy Steel Dowel Pins - Aerospace Applications

 

These custom 4340 alloy steel dowel pins were produced domestically at a bit over 3,000 pieces for an aerospace application.  The raw material was to be per AMS 6414 or AMS 6409 and the pins measure .1179 +0.0000/-.0004 by .400 +/- .0030.  Full certs were provided with the material, including material certs, certificate of conformance, and a FAIR.  Parts were released over a 12 month period using a blanket purchase order agreement.

Custom Grade 8 T-Bolts With Black Oxide Finish

 

These custom grade 8 T-bolts were produced using SAE J429 material to Grade 8 specifications, finished with a black oxide process.  An existing sample was used to recreate the design and tooling for the head shape.  3/8-20 unorthodox thread pitch was rolled at thread length of .8" minimum.  Overall length of the part was set at 1.212" +/-.01" and the max head diameter reached .757" +/-.01".  Full certs were provided with the parts.  

Custom Painted Self Piercing Crimp Screws - 12 X 1/2 Steel Zinc

 

These custom painted self piercing crimp screws were manufactured in Taiwan with a self crimping serrated washer head feature ideal for thin sheet metal applications.  The exposed washer and head surfaces were painted to match our customer provided samples after going through a cleaning process to remove any excess oil or wax.  Lead time for most sizes with painted head is 3-4 weeks from order.  Self drilling variation is also available upon request.

Custom Stainless Steel Fully Threaded Lag Screws

 

We had 10,000 pieces of each size of these custom stainless steel fully threaded lag screws supplied to our construction customer.  304 stainless steel material was used and the parts were manufactured to ASME B18.2.1 other than the full thread feature requirement.  Tensile strength was required to surpass the minimum 90,000 psi requirement and both the material composition and the tensile strength (axial) were tested at a third party lab with full certs.  The two sizes pictured here are the 3/8-7 X 4" and 3/8-7 X 5.5".  The finish on both sizes is Geomet 321 with Plus L top coat.

Custom Long Stainless Steel Dowel Pins - 303 Stainless Steel

 

These custom long stainless steel dowel pins were manufacture domestically using 303 stainless steel material.  The diameter was set to 2.002mm to 2.008mm and the length was set to 100mm +/-.01mm.  Full certs were provided with the parts and thorough QC testing was done on the straightness.

Custom Double Thread Lag Screws - 1/2 X 10.75"

 

Production of these custom double thread lag screws for our construction customer was run in batches of 50,000 pieces using medium carbon steel material with zinc + clear finish.  Overall length measured 10.75" +/- 0.20" and 1/2-6 lag screw thread was incorporated at one side, with the other side using rolled 1/2-13 thread.  Approximately 5.5" of lag thread was designed into the part and 1.2" of the machine screw thread.  The crimped shoulder was set to a height of .37" +/-.02" and a length of .625" to allow use of a wrench during the application.