- Posted by alex@engineeredsource.com
- On January 28, 2021
- 0 Comments
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 […]
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- Posted by alex@engineeredsource.com
- On October 1, 2020
- 0 Comments
We supplied these Class 12.9 custom shoulder bolts to our aftermarket automotive OEM customer. The shoulder measures M8 X M6 and the thread is set to M6 X 1.0. Production typically runs in batches of 10,000 pieces per run and the finish is thermal black oxide. Full certs are available with the parts upon request. […]
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- Posted by alex@engineeredsource.com
- On September 24, 2020
- 0 Comments
These custom long socket head machine screws were manufactured domestically using 4140 alloy steel material with heat treatment to reach 37-44 Rc hardness. Two sizes were produced together in this run: 8-32 X 5.43″ length with thread length of 5/8″ and 8-36 (an odd thread pitch requested for this one) X 6-3/8″ with the same […]
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- Posted by alex@engineeredsource.com
- On July 17, 2020
- 0 Comments
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 […]
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- Posted by alex@engineeredsource.com
- On June 25, 2020
- 0 Comments
We had 5,000 pcs of these custom 4037 alloy steel flat socket head screws produced in the USA for our aerospace customer. ASTM A574 4037 material was used for the production and the cadmium plating was dome per AMS-QQ-P-416A TYpe II, with thickness at 0.0005-.0008″. Heat treat was performed to get the hardness of the […]
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- Posted by alex@engineeredsource.com
- On June 15, 2020
- 0 Comments
These custom torx 6-48 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 .200″. T15 6-lobe drive was cold formed and the thread rolled. Full certs were provided with the parts per our customer’s requirements. Large quantities […]
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- Posted by alex@engineeredsource.com
- On April 30, 2020
- 0 Comments
Total production of these custom large grade 5 threaded stud socket bolts was run at approximately 27,000 pieces using grade 5 steel material per SAE J429 with zinc clear finish per ASTM B633 Type III. Overall length of the bolts was 6″ and a .566-.573″ socket drive was incorporated on one side. Core hardness was […]
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- Posted by alex@engineeredsource.com
- On April 20, 2020
- 0 Comments
These custom class 12.9 metric aerospace screws with cad plated finish were manufactured domestically using DFARS compliant 4140 alloy steel material per ASTM A108. 1,100 pieces were produced measuring 5M X 0.8MM X 16.15MM +/0.03MM. 6G class thread was rolled and the head incorporated a cold formed socket drive, fine knurl feature, and a .050″ […]
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- Posted by alex@engineeredsource.com
- On February 17, 2020
- 0 Comments
We supplied our aerospace customer 200 pieces of these custom 17-4PH double shoulder bolts. 17-4 PH material heat treated to condition H1100 was used for the domestic production of these parts, with resulting hardness between 34 and 36 HRC. Passivation per QQ-P-35 was performed to complete the production process. The hex socket drive was cold […]
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- Posted by alex@engineeredsource.com
- On February 3, 2020
- 0 Comments
We had a small batch of these custom 316 stainless steel shoulder screws produced domestically for our electronics OEM customer. Partial 4-40 thread was incorporated, with a machined shoulder incorporated per our customer specifications. Due to the smaller quantity involved the hex socket drive was broached rather than cold headed – you can see the […]
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