Custom Machine Screws - Engineered Custom Bolts & Screws https://www.engineeredboltandscrew.com/portfolio-category/custom-made-machine-screws/ Custom bolts and screws - cold headed, hot headed, and machined. Socket head, hex head, shoulder screws, and much more.. Thu, 30 Jul 2026 03:43:59 +0000 en-US hourly 1 https://wordpress.org/?v=7.1 194122415 Custom Stainless Steel Cone Point Hex Bolts https://www.engineeredboltandscrew.com/portfolio/custom-stainless-steel-cone-point-hex-bolt-factories/ Thu, 30 Jul 2026 03:43:59 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5484 The post Custom Stainless Steel Cone Point Hex Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom cone point fully threaded hex bolts were manufactured for our construction customer using 18-8 stainless steel material with factory passivated finish. 3/8-16 full thread was rolled at a length of 2″ below the hex head prior to the machining of the cone point. The hex head was cold forged to standard IFI dimensions for the 3/8″ diameter thread. Full certs were provided with the parts.

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]]> 5484 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 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 Grade 5 Hex Bolt, Nut, and Washer Kits https://www.engineeredboltandscrew.com/portfolio/custom-grade-5-hex-bolt-nut-and-washer-kits/ Tue, 05 Nov 2024 17:52:30 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5423 The post Custom Grade 5 Hex Bolt, Nut, and Washer Kits appeared first on Engineered Custom Bolts & Screws.

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These custom automotive fastener kits included grade 5 5/16-24 partial thread hex bolts, split lock washers, and grade 5 hex nuts. All parts were black oxide finished prior to poly bagging into individual kits per our customer’s specifications. All certs were available with the parts and standard description labels were used on all poly bags.

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]]> 5423 Custom Domestic Automotive Class 9.8 Hex Flange Bolts https://www.engineeredboltandscrew.com/portfolio/custom-domestic-automotive-class-9-8-hex-flange-bolts/ Wed, 25 Oct 2023 17:16:03 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5396 The post Custom Domestic Automotive Class 9.8 Hex Flange Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom class 9.8 hex flange bolts were manufactured for our automotive customer in the USA. M6-1.00 X 18MM thread was rolled and head dimensions were made to DIN 6921 specifications. Parts were heat treated to 28-37 HRC core hardness per ISO 898-1 Class 9.8. Level 3 PPAP and full certs were provided with the parts per customer requirements.

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]]> 5396 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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]]> 5374 Custom Drilled Hole Grade 10.9 Carriage Bolts https://www.engineeredboltandscrew.com/portfolio/custom-drilled-hole-grade-10-9-carriage-bolt-factories/ Thu, 31 Aug 2023 19:09:53 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5372 The post Custom Drilled Hole Grade 10.9 Carriage Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom carriage bolts were produced to our customer’s drawing to class 10.9 characteristics with black oxide finish. Approximately 27MM of M10-1.5MM 6G thread was rolled underneath the square shoulder and a 3MM hole was drilled through one side of the shoulder. The square shoulder was produced to 10MM across the flats. Under the head a R45 radius was maintained to match the mating washer.

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]]> 5372 Custom Grade 8 Torx Flat Head Dog Point Screws https://www.engineeredboltandscrew.com/portfolio/custom-grade-8-torx-flat-head-dog-point-screw-manufacturers/ Thu, 22 Jun 2023 17:22:30 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5365 The post Custom Grade 8 Torx Flat Head Dog Point Screws appeared first on Engineered Custom Bolts & Screws.

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These custom grade 8 flat head screws were manufactured for our automotive aftermarket component manufacturing customer – the dog point was incorporated to allow for better ease of use and the finish was plain thermal black oxide. 5/16-18 thread was rolled with an overall length (including the head height) of .875″. Certs were made available upon request but no PPAP was required for this application.

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