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Tuesday, July 21, 2020

Custom 316 Stainless Steel Button Head Screws - Metric


Custom 316 Stainless Steel Button Head Screws - Metric
These custom 316 stainless steel button head screws were manufactured domestically using ASTM A240 spec raw material.  All dimensions and tolerances were to a drawing provided by our customer.  M2.5 X .45 thread was incorporated (cut thread) with thread length set to 8MM.  Head diameter was set to 4.50MM-4.7MM and head height at 1.36MM-1.50MM.  Note that the button head was actually fully machined rather than the typical cold headed operation.  The hex socket drive was broached as a result.  Full certs were provided to our customer per request.

Friday, July 17, 2020

Custom Automotive Ball Studs In Grade 5 Steel With Zinc Yellow Finish


Custom Automotive Ball Studs In Grade 5 Steel With Zinc Yellow Finish
We had 15,000 pieces of these custom automotive ball studs produced in 1215 medium carbon steel material with heat treatment to achieve 25-34 HRC hardness.  10-32 thread (2A fit) was rolled for these parts and the hex was made to .311" across the flats.  Overall length of the part measured .815" and the ball diameter was set to .25".  

Custom 6-Lobe Socket Head Screws - 4140 Alloy Steel Material


Custom 6-Lobe Socket Head Screws - 4140 Alloy Steel Material
These custom 6-lobe socket head screws were manufactured domestically using 4140 alloy steel material with heat treat to 42-47 HRC.  2A 6-48 UNS thread was incorporated with thread length at .375".  T15 6-lobe drive was cold formed and the thread rolled.  This part is almost identical with the .200" length version discussed in an earlier post.  Full certs were provided with the parts per our customer's requirements.  

Thursday, July 16, 2020

Custom Lag Thread Bent Anchors - Steel Zinc Material


Custom Lag Thread Bent Anchors - Steel Zinc Material

These custom lag thread bent anchors were manufactured for a woodworking company in Hawaii that required lag screw thread on the long leg and a cosmetically appealing zinc clear finish.  CD-C1018 material was used at a 1/4" in diameter, with a 90 degree bend.  The short leg measured 3/4" in length on the inside and the long leg at 5" overall including the 3/4" of lag screw thread.  All production was done domestically on these parts for the fastest turnaround.

Custom Black Thumb Screws - Knurled 6-32 X 3/8


Custom Black Thumb Screws - Knurled 6-32 X 3/8
These custom black thumb screws with diamond knurl were manufactured to our customer's drawing at 2,000 pieces using low carbon steel material with black oxide finish.  The head diameter is set to .313" +/- .005" and the thread length is .375" with the same tolerance.  6-32 thread was rolled rather than cut on these parts.  Full certs were provided with the parts.