Custom Thread Forming Screws - Engineered Custom Bolts & Screws https://www.engineeredboltandscrew.com/portfolio-category/custom-thread-forming-screws/ Custom bolts and screws - cold headed, hot headed, and machined. Socket head, hex head, shoulder screws, and much more.. Tue, 31 Oct 2023 18:57:32 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.1 194122415 Custom Grade 5 Dacromet Coated Sheet Metal Screws https://www.engineeredboltandscrew.com/portfolio/custom-grade-5-dacromet-coated-sheet-metal-screws/ Tue, 31 Oct 2023 18:57:32 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5398 The post Custom Grade 5 Dacromet Coated Sheet Metal Screws appeared first on Engineered Custom Bolts & Screws.

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These custom Grade 5 #12 X 1-3/4″ type AB sheet metal screws were manufactured to SAE J429 specifications with 25-34 core hardness, 120 KSI min tensile strength, and 92 KSI min yield strength. Dacromet zinc flake coating was applied to complete the parts and a raised dot was incorporated to help our construction customer easily distinguish between these Grade 5 screws and the standard low carbon version also in use.

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]]> 5398 Custom 316 Stainless Round Head Shoulder Wood Screws https://www.engineeredboltandscrew.com/portfolio/custom-316-stainless-round-head-shoulder-wood-screw-factories/ Mon, 19 Sep 2022 19:54:31 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5323 The post Custom 316 Stainless Round Head Shoulder Wood Screws appeared first on Engineered Custom Bolts & Screws.

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These custom round head shoulder wood screws were manufactured at 10,000 pieces using 316 stainless steel material with plain finish.  The head/shoulder combination was cold headed and the thread rolled.  Shoulder dimensions were 3.8-4.0mm diameter by 5.5mm minimum in length, with the rolled thread at 15.88mm min usable thread.  It’s round head was specified to 7.5mm-8.0mm diameter and 2.75mm-3.05mm height.  Material certs were supplied with the parts.

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]]> 5323 Custom Hex Head Shoulder Wood Screws – Steel Zinc https://www.engineeredboltandscrew.com/portfolio/custom-hex-head-shoulder-wood-screws-steel-zinc/ Fri, 16 Sep 2022 17:59:38 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5321 The post Custom Hex Head Shoulder Wood Screws – Steel Zinc appeared first on Engineered Custom Bolts & Screws.

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These custom hex head shoulder wood screws were manufactured using mild carbon steel material with Zinc clear finish to our customers drawing. The shoulder measures .180-.188″ by .302-.322″ in length, square to the rolled thread transition. Thread length was set to .585-.645″ and the hex head measured .244-.250″ across the flats and .096-.115″ in height. Cold heading was used for the production process with turning down the threaded area prior to thread roll.

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]]> 5321 Custom 18-8 Stainless Steel Self Drilling Screws https://www.engineeredboltandscrew.com/portfolio/custom-18-8-stainless-steel-self-drilling-screws-3-point/ Thu, 28 Jul 2022 19:19:49 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5318 The post Custom 18-8 Stainless Steel Self Drilling Screws appeared first on Engineered Custom Bolts & Screws.

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We had slightly over 150,000 pieces of these custom 18-8 stainless steel self drilling screws manufactured for our construction customer. The drill screws measured 1/4 X 1-1/2 with an undercut flat head and a #3 drill point. Most off-the-shelf versions are either available in 410 stainless steel or carbon steel material while our customer specifically needed 18-8 stainless steel composition. Full certs were available with the parts.

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]]> 5318 Domestic Custom Sharp Point Wood Screws – Hex Washer Head https://www.engineeredboltandscrew.com/portfolio/domestic-custom-sharp-point-wood-screws-hex-washer-head/ Thu, 07 Jul 2022 20:30:40 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5310 The post Domestic Custom Sharp Point Wood Screws – Hex Washer Head appeared first on Engineered Custom Bolts & Screws.

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These custom sharp point wood screws were manufactured domestically using case hardened steel material with zinc bake and yellow finish. A high hex washer head was incorporated without serrations and full #12-11 thread at 1-3/4″ in length under the head. A narrow angle was incorporated for the point that together with a type 17 feature created an extra sharp point to allow for automated feeder systems in our customer’s application. Full certs were available with the parts and a Blanket PO Arrangement was used to spread out the usage over a 12 month period.

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]]> 5310 Custom Full Thread Hanger Bolts – 5/16-18 Thread https://www.engineeredboltandscrew.com/portfolio/custom-full-thread-hanger-bolts-manufacturers/ Wed, 31 Mar 2021 21:57:00 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5230 The post Custom Full Thread Hanger Bolts – 5/16-18 Thread appeared first on Engineered Custom Bolts & Screws.

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We had 100,000 pieces of these custom full thread hanger bolts produced in grade 5 steel material per SAE J429 with zinc clear finish.  The overall length was at 3-1/2 inches with 1-1/2 inches of 5/16-18 machine screw thread.  The balance was rolled with 5/16-9 wood screw thread.  No unthreaded shoulder was incorporated with the parts per our customer’s drawing requirements.

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]]> 5230 Custom Stainless Steel Fully Threaded Lag Screws https://www.engineeredboltandscrew.com/portfolio/custom-stainless-steel-fully-threaded-lag-screw-manufacturers/ Thu, 05 Nov 2020 21:20:30 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5214 The post Custom Stainless Steel Fully Threaded Lag Screws appeared first on Engineered Custom Bolts & Screws.

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We had 10,000 pieces of each size of these custom stainless steel fully threaded lag screws supplied to our construction customer.  304 stainless steel material was used and the parts were manufactured to ASME B18.2.1 other than the full thread feature requirement.  Tensile strength was required to surpass the minimum 90,000 psi requirement and both the material composition and the tensile strength (axial) were tested at a third party lab with full certs.  The two sizes pictured here are the 3/8-7 X 4″ and 3/8-7 X 5.5″.  The finish on both sizes is Geomet 321 with Plus L top coat.

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]]> 5214 Custom Double Thread Lag Screws – 1/2 X 10.75″ https://www.engineeredboltandscrew.com/portfolio/custom-double-thread-lag-screws-manufacturer/ Fri, 02 Oct 2020 19:41:35 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=5210 The post Custom Double Thread Lag Screws – 1/2 X 10.75″ appeared first on Engineered Custom Bolts & Screws.

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Production of these custom double thread lag screws for our construction customer was run in batches of 50,000 pieces using medium carbon steel material with zinc + clear finish.  Overall length measured 10.75″ +/- 0.20″ and 1/2-6 lag screw thread was incorporated at one side, with the other side using rolled 1/2-13 thread.  Approximately 5.5″ of lag thread was designed into the part and 1.2″ of the machine screw thread.  The crimped shoulder was set to a height of .37″ +/-.02″ and a length of .625″ to allow use of a wrench during the application.

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]]> 5210 Custom Chrome Plated Screws – 10-12 X 1 Phil Flat https://www.engineeredboltandscrew.com/portfolio/custom-chrome-plated-screws-10-12-x-1-phil-flat/ Fri, 05 Apr 2019 21:23:45 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=4988 The post Custom Chrome Plated Screws – 10-12 X 1 Phil Flat appeared first on Engineered Custom Bolts & Screws.

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These are custom chrome plated screws made using the barrel plating process done domestically in the USA.  They are type A sheet metal screws made in 316 stainless steel material specifically to our customer’s print.  The overall process to manufacture the screws and to get them barrel chrome plated took approximately 12 weeks.  Depending on the volume involved we can work out the ideal domestic or overseas strategy for any chrome plated parts, both RoHS and non-RoHS compliant.

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]]> 4988 Custom 6-Lobe Wood Screws – 316 Stainless Steel https://www.engineeredboltandscrew.com/portfolio/custom-6-lobe-wood-screws-316-stainless-steel/ Fri, 05 Apr 2019 19:05:15 +0000 https://www.engineeredboltandscrew.com/?post_type=liquid-portfolio&p=4958 The post Custom 6-Lobe Wood Screws – 316 Stainless Steel appeared first on Engineered Custom Bolts & Screws.

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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 our customer in 2 batches with the first shipment containing 18,000 pcs.

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