- Posted by alex@engineeredsource.com
- On November 15, 2018
- 0 Comments
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 […]
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- Posted by alex@engineeredsource.com
- On November 2, 2018
- 0 Comments
These custom 4140 flat socket head 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 […]
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- Posted by alex@engineeredsource.com
- On October 29, 2018
- 0 Comments
These are custom black low head socket cap screws we supply to an offroad automotive product manufacturer. We have a revolving blanket purchase order arrangement with next day deliveries of the parts from the individual releases. Measuring 1/4-20 X 1 to standard IFI specifications, these low head socket cap screws are made in plain grade […]
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- Posted by alex@engineeredsource.com
- On October 16, 2018
- 0 Comments
Custom low head metric screws manufactured domestically using 303 stainless steel material. The 1/16 hex drive was broached with a 1.5MM drive depth. Heavy torque blue thread locking patch was applied to conform to a .60 to .33 Nm minimum torque testing. Head height measured 1.75MM and the width at 9.65MM. The rounding around the […]
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- Posted by alex@engineeredsource.com
- On September 21, 2018
- 0 Comments
Custom 6-lobe socket head cap screws manufactured domestically in 18-8 stainless steel material at approximately 8,000 pcs. Our customer wanted us to provide these custom screws in black oxide finish after running them through ASTM A967 passivation. Partial unthreaded shoulder was incorporated and the thread was rolled instead of the cut alternative. Lead time for […]
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- Posted by alex@engineeredsource.com
- On September 11, 2018
- 0 Comments
We ran an order of these custom metric 316L set screws with a short dog point at just 66 pieces using domestic production. Lead time was relatively short at just 2-3 weeks from confirmed purchase order receipt. A short .059 dog point was incorporated and a 2.5MM hex socket drive was broached for speed and […]
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- Posted by alex@engineeredsource.com
- On August 16, 2018
- 0 Comments
These custom grade 5 automotive screws are exactly the same dimensionally as the 1/4-28 version shown in one of the previous posts but with two specific distinctions: the thread had to be 1/4-32 instead for this 2,500 pcs batch and the lead time had to be FAST. To accomplish this the hex socket drive was […]
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- Posted by alex@engineeredsource.com
- On August 6, 2018
- 0 Comments
These are custom 6-lobe wood screws made in 316 stainless steel material measuring 1.888″ in length +/- .005″. #10-13 thread tapping thread pitch is rolled after the custom shaped head is cold formed and T20 6-lobe drive incorporated. Production is done domestically at approximately 50,000 pcs per run and the total quantity was provided to […]
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- Posted by alex@engineeredsource.com
- On June 18, 2018
- 0 Comments
We have been supplying these 12.9 alloy steel custom metric rolled thread screws for over 10 years to an automotive aftermarket OEM. The alloy steel socket head blanks are ground to a smaller diameter to allow for the M14 thread to be rolled, which is a specific requirement with our customer. We supply these parts […]
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- Posted by alex@engineeredsource.com
- On June 12, 2018
- 0 Comments
These custom knurled shoulder bolts are the result of the tests we ran with different knurling methods mentioned in one of the previous posts. Parts came out perfectly but we did run into some challenges with the lead times, being behind initial expectations due to tooling delays early in the process. We had to throw […]
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