Custom Machined Screws - Engineered Custom Bolts & Screws https://www.engineeredboltandscrew.com/portfolio-category/custom-precision-machined-screws/ Custom bolts and screws - cold headed, hot headed, and machined. Socket head, hex head, shoulder screws, and much more.. Sat, 19 Sep 2026 22:32:14 +0000 en-US hourly 1 https://wordpress.org/?v=7.1.4 194122415 Custom 1/2-13 x 2 410 Stainless Socket Head Screws https://www.engineeredboltandscrew.com/portfolio/custom-1-2-13-x-2-410-stainless-socket-head-screws/ Sat, 19 Sep 2026 22:32:14 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5487 The post Custom 1/2-13 x 2 410 Stainless Socket Head Screws appeared first on Engineered Custom Bolts & Screws.

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These custom 1/2-13 X 2 socket head cap screws were manufactured for our aerospace engineering customer using DFARS compliant 410 stainless steel material heat treated to 108,000 psi tensile strength. The entire part was machined from bar stock to expedite the production lead time and the hex recess drive was broached as well vs cold forged. Full certs were included with the parts per customer requirements.

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]]> 5487 Custom Aluminum Button Socket Vented Screws https://www.engineeredboltandscrew.com/portfolio/custom-aluminum-button-socket-vented-screws/ Fri, 15 May 2026 03:54:10 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5472 The post Custom Aluminum Button Socket Vented Screws appeared first on Engineered Custom Bolts & Screws.

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These custom vented button head screws were manufactured for our automotive trailer manufacturing customer using 6061 aluminum material with 10-32 cut thread measuring .313 inches in length below the head. Certs were included with the parts.

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]]> 5472 Custom ASTM A564 Socket Shoulder Bolts https://www.engineeredboltandscrew.com/portfolio/custom-astm-a564-socket-shoulder-bolt-factories/ Wed, 29 Apr 2026 04:27:50 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5469 The post Custom ASTM A564 Socket Shoulder Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom ASTM A564 Gr 630 H1150 socket head shoulder bolts were manufactured for our energy sector OEM customer using DFARS compliant raw material with the final parts age hardened at 1150F to achieve28-37 HRC. The parts were fully machined with 3/8-16 UNC-2A cut thread and .375″ across the flats hex recess. The head measured .750″ in diameter and .460″ in height. Overall length of the part underneath the head measured 2.75 +/-.010. Full certs were provided with the parts.

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]]> 5469 Custom Oval Head Shoulder Screws https://www.engineeredboltandscrew.com/portfolio/custom-oval-head-shoulder-bolt-manufacturer/ Wed, 15 Apr 2026 03:38:38 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5466 The post Custom Oval Head Shoulder Screws appeared first on Engineered Custom Bolts & Screws.

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These custom oval head shoulder screws were manufactured for our electronics customer using 18-8 stainless steel material with partial rolled thread and a 12.5 degree tapered point to allow for faster installation times. The 1/4-20 UNC 2B rolled thread was set to a length of 1.000″ and the overall length under the head was at 2.500″. The head diameter was dialed in to .370″ and head height to .170″, with a cold formed #3 phillips drive. Full certs were provided with the parts.

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]]> 5466 Custom Stainless Screws With Socket Drive Point https://www.engineeredboltandscrew.com/portfolio/custom-stainless-screws-with-socket-drive-point/ Fri, 06 Feb 2026 18:32:07 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5456 The post Custom Stainless Screws With Socket Drive Point appeared first on Engineered Custom Bolts & Screws.

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These custom smooth round head screws were manufactured for our gun manufacturing customer using 304 stainless steel material with a cold formed drive-less head and M2.5 X .45MM rolled thread. A .050″ hex recess drive was broached at the end of the threaded point. Full certs were provided with the parts and the parts came with a factory passivated finish.

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]]> 5456 Custom Domestic Metric Precision Shoulder Screws https://www.engineeredboltandscrew.com/portfolio/custom-domestic-metric-precision-shoulder-screw-manufacturers/ Tue, 16 Sep 2025 16:47:07 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5442 The post Custom Domestic Metric Precision Shoulder Screws appeared first on Engineered Custom Bolts & Screws.

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These custom precision shoulder screws were manufactured domestically in the USA using A2 stainless steel material with commercial passivation. The shoulder measures 5MM in diameter by 35MM in length with M5 X 0.8MM rolled thread after the thread relief. The parts were domestically manufactured in the USA using DFARS compliant A2 stainless steel material and were supplied with full certs.

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]]> 5442 Custom Metric Stainless Steel Knurled Thumb Screws https://www.engineeredboltandscrew.com/portfolio/custom-metric-stainless-steel-knurled-thumb-screw-manufacturers/ Thu, 28 Aug 2025 18:32:52 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5439 The post Custom Metric Stainless Steel Knurled Thumb Screws appeared first on Engineered Custom Bolts & Screws.

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These custom metric knurled thumb screws were manufactured for our aerospace customer using A2 stainless steel material with matte black oxide finish. Approximately 5MM of male M3 X 0.5 thread was rolled on these parts and the shoulder measured 6MM in diameter by 5MM in length. Aggressive straight knurl was applied to the parts at 0.8 PH. Full certs were provided with the parts.

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]]> 5439 Custom M3 X 0.5MM Stainless Steel Shoulder Socket Bolts https://www.engineeredboltandscrew.com/portfolio/custom-metric-stainless-socket-shoulder-bolt-manufacturers/ Wed, 01 May 2024 00:10:10 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5415 The post Custom M3 X 0.5MM Stainless Steel Shoulder Socket Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom stainless steel shoulder bolts were manufactured in 18-8 stainless steel material for our drone manufacturing customer. M3 X 0.5MM thread was rolled with a thread relief machined below the 4MM X 5MM shoulder. A 2MM hex drive was broached at the head and a precision machined profile was incorporated on the head to meet drawing requirements.

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]]> 5415 Custom Inconel 718 Double Thread Offset Aerospace Bolts https://www.engineeredboltandscrew.com/portfolio/custom-inconel-718-double-thread-offset-aerospace-bolts/ Mon, 16 Oct 2023 18:57:31 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5392 The post Custom Inconel 718 Double Thread Offset Aerospace Bolts appeared first on Engineered Custom Bolts & Screws.

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Custom custom Inconel 718 double thread offset studs were manufactured for our aerospace customer. The offset head, double thread, and hardness of material made these parts extremely difficult to manufacture. The head radius measured .203″ and a combination of 5/16-24 2A and 1/4-28 2A thread was cut to a length of .842″. Definitely one of the toughest parts we have dealt with – the hardness of the material created countless issues with tool life. Full certs with FAIR were provided with the parts.

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]]> 5392 Custom Tapered Shoulder Socket Head Bolts https://www.engineeredboltandscrew.com/portfolio/custom-tapered-shoulder-socket-head-bolt-factories/ Thu, 31 Aug 2023 19:51:25 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5374 The post Custom Tapered Shoulder Socket Head Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom tapered shoulder socket head bolts were manufactured using 4140 alloy steel material with 28-32 HRC hardness and zinc clear finish. The shoulder diameter tapers form 0.78″ down to 0.75″ and the head diameter was set to 1.00 +/-.015″. Underneath the shoulder approximately .55″ of 3/8-24 2A thread was rolled with thread relief allowance of roughly .085″.

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