Custom Hex Head Screws - Engineered Custom Bolts & Screws https://www.engineeredboltandscrew.com/portfolio-category/custom-hex-head-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 Grade 8 Shoulder Bolts https://www.engineeredboltandscrew.com/portfolio/custom-grade-8-shoulder-bolt-factories/ Thu, 25 Sep 2025 17:25:05 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5445 The post Custom Grade 8 Shoulder Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom shoulder bolts were manufactured to SAE J429 grade 8 requirements for our automotive customer with a black oxide finish. .57″ by .25″ shoulder was incorporated under the .5″ across the flats hex head and approximately .625″ of 3/8-16 thread was rolled to complete the parts. Certs were available with the parts per customer requirements.

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]]> 5445 Custom Grade 8 Automotive Countersunk Hex Flange Bolts https://www.engineeredboltandscrew.com/portfolio/custom-grade-8-automotive-countersunk-hex-flange-bolt-factories/ Thu, 22 Jun 2023 18:25:40 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5367 The post Custom Grade 8 Automotive Countersunk Hex Flange Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom grade 8 countersunk hex flange bolts were manufactured for our automotive after market manufacturing customer with zinc yellow finish. Partial 1/2-13 thread was rolled and the length under the hex (inclusive of the countersunk portion) was set to 2-3/4″. Full certs were made available with the parts.

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]]> 5367 Custom Grade 5 Left Hand Thread Hex Head Bolts https://www.engineeredboltandscrew.com/portfolio/custom-grade-5-left-hand-thread-hex-head-bolts/ Wed, 21 Jun 2023 16:38:23 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5363 The post Custom Grade 5 Left Hand Thread Hex Head Bolts appeared first on Engineered Custom Bolts & Screws.

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We manufactured these custom left hand thread hex head bolts for our customer to grade 5 requirements in plain thermal black oxide finish. They measured LH 3/4-10 x 2″ in length with the hex head measuring 1.100-1.125″ across the flats. Head height was set to .483-.455″. Full certs were made available with the parts.

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]]> 5363 Custom Grade 8 Offroad Wheel Bolts https://www.engineeredboltandscrew.com/portfolio/custom-grade-8-offroad-wheel-bolt-manufacturers/ Mon, 06 Mar 2023 03:17:17 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5347 The post Custom Grade 8 Offroad Wheel Bolts appeared first on Engineered Custom Bolts & Screws.

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These custom grade 8 wheel bolts were manufactured for our automotive OEM customer using SAE J429 material with zinc yellow finish with post plating bake. An 82 degree countersunk feature was incorporated into the head with cold forging with 1/2-13 UNC 2B full thread below measuring 1.25″ in length.

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]]> 5347 Custom Low Hex Head Grade 5 Bolts – 5/8-11 X 1 https://www.engineeredboltandscrew.com/portfolio/custom-low-hex-head-grade-5-bolts-manufacturers/ Fri, 23 Jul 2021 18:45:52 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5247 The post Custom Low Hex Head Grade 5 Bolts – 5/8-11 X 1 appeared first on Engineered Custom Bolts & Screws.

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These custom low hex head grade 5 bolts were manufactured at 30,000 pieces for our long time customer, with zinc clear finish.  Fully threaded with 1″ of 5/8-11 thread pitch these parts came with a low hex head measuring .291-.316″ in height and .922-.936″ across the flats.  A 15-30 degree standard chamfer was added around the corners and flats.  The narrow head height was critical for the tight constraints in our customer’s assembly application.

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]]> 5247 Custom Grade 5 Shoulder Bolts – Steel & Commercial Zinc Finish https://www.engineeredboltandscrew.com/portfolio/custom-grade-5-shoulder-bolts-steel-zinc/ Fri, 28 Jun 2019 20:29:47 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5064 The post Custom Grade 5 Shoulder Bolts – Steel & Commercial Zinc Finish appeared first on Engineered Custom Bolts & Screws.

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We supply these custom grade 5 shoulder bolts to our long time customer with recurring annual blanket purchase orders, typically with annual usage ranging between 20,000 and 25,000 pieces.  They are domestically manufactured to a grade 5 standard with commercial zinc, bake and clear chromate finish.  The shoulder measures .40″ in diameter by .50″ in length, with 5/16-18 thread rolled the balance of the screw.  The overall length is 1-1/4″ underneath the head.

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]]> 5064 Custom Hex Shoulder Screws – 4340 Alloy Steel https://www.engineeredboltandscrew.com/portfolio/custom-hex-shoulder-screws-4340-alloy/ Fri, 28 Jun 2019 15:45:10 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5062 The post Custom Hex Shoulder Screws – 4340 Alloy Steel appeared first on Engineered Custom Bolts & Screws.

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We supply these custom hex shoulder screws to our Canadian customer, with the shoulder measuring .425 +/-.002 by 1.650 +.005/-.000 in length.  5/16-18 thread was incorporated measuring .50″ in length including the unthreaded portion before the rolled thread begins.  .055 radius hole was then drilled at .102″ from the end of the threaded portion.

4340 alloy steel was used to produce the part, oil quenched and tempered at 315 degrees with min. 55 HRC surface hardness required to meet our customer’s requirements.  The hex head measures .62″ across the flats and .36″ in height.

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]]> 5062 Custom Grade 5 Hex Cap Screws – 5/16-24 X .875 With Black Oxide Finish https://www.engineeredboltandscrew.com/portfolio/custom-grade-5-hex-cap-screws-black/ Fri, 12 Apr 2019 21:34:12 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5025 The post Custom Grade 5 Hex Cap Screws – 5/16-24 X .875 With Black Oxide Finish appeared first on Engineered Custom Bolts & Screws.

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We have supplied these custom grade 5 hex cap screws to our customer for well over 10 years. The parts are manufactured domestically, with production runs typically covering 50,000 pieces at a time. The shoulder is critical on these parts, set at .312″ in diameter +/- .005″ and at 1/4″ in length. Head dimensions slightly off the standard for this size and the finish is black oxide and light oil. Together with a number of other parts we supply these custom hex cap screws through revolving annual blanket purchase orders that split up the annual usage to match our customer’s seasonality.

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]]> 5025 Custom 316 Stainless Hex Bolts – 13/16-10 X 1.75″ https://www.engineeredboltandscrew.com/portfolio/custom-316-stainless-hex-bolts/ Fri, 05 Apr 2019 20:17:44 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=4984 The post Custom 316 Stainless Hex Bolts – 13/16-10 X 1.75″ appeared first on Engineered Custom Bolts & Screws.

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These are custom 316 stainless hex bolts made domestically in the USA in 316 stainless steel material.  The thread pitch made this hex head cap screw a custom production deal, at 13/16-10 fully threaded.  The thread was rolled rather than cut and the head width across the flats was set to 1-1/8 inches, with the head height set to 15/32″.  Material certs and a certificate of conformance was available upon request.

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