Custom A286 Stainless Steel Castle Nuts

 

These are DFARS compliant custom A286 stainless steel castle nuts manufactured domestically in the USA for our aerospace customer.  They incorporate 7/16-26 2A thread and internal diameter of .328 +/- .005".  The cross slots measure .090 +/-.005" and unthreaded shoulders both measuring .394"+0.000/-.004 in diameter by .063" +/-.01.  Full certs including a FAIR are required as a part of the deliverable package.

Custom 316 Stainless Round Head Shoulder Wood Screws

 

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.

Custom 420 Stainless Precision Machined Components

 

These custom 420 stainless steel precision machined components were manufactured for our aerospace customer, with initial samples produced using 18-8 stainless steel for functional testing prior to full production.  Overall length was .804 +/- .005" and the flange outer diameter was set to .396" +/-.005".  Four drilled holes were incorporated at a diameter of .120" +/-.005".  Full certs with a FAIR were incorporated into the production order requirements per customer request.

Custom Hex Head Shoulder Wood Screws - Steel Zinc

 

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.

Custom Precision Machined A286 Stainless Sleeve

These custom precision machined A286 stainless steel sleeve components are manufactured domestically for an aerospace application.  Overall length is 1.5" and the sleeve incorporates 1/2-20 2A male thread and 5/16-24 2B female thread at a depth of .512".  A number of precision shoulder steps are designed into the exterior and interior of the components.  FAIR and full certs are made available with the production per customer requirements and initial fit and function test parts were manufactured using 18-8 stainless steel material. 

Custom Low Profile Serrated Flange Nuts With Dacromet Finish

 

We had tens of thousands of these custom low profile serrated flange nuts manufactured for our construction customer using Grade 5 steel material with Dacromet zinc flake finish.  1"-8 thread was tapped with 2B thread fit prior to plating and the low profile height was set to .437" max.  Flange diameter was set to 1.46-1.50", which is to standard 1" diameter flange nut specifications.  Full certs were provided with the parts, including 3rd party testing results for proof load, tensile strength, core hardness, and raw material composition.

Custom 316 Stainless Double Thread Studs - Left Hand & Right Hand

 These custom 316 double thread studs were manufactured domestically using 316 stainless steel material, with a combination of 1/4-28 right hand thread, 1/4-28 left hand thread, 3/8-24 right hand thread, and 10-32 right hand thread with specific tight tolerance machined shoulders specified for each part.  Material certs and certificate of conformance were provided with the parts and the thread was cut rather than rolled for these parts to allow a quicker turnaround.

Custom 18-8 Stainless Steel Self Drilling Screws - #3 Point

 

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.

Custom Precision Drilled Hex Nuts - 5-40 Thread

 

These custom precision drilled hex nuts were manufactured domestically in the USA using DFARS compliant 303 stainless steel material with NADCAP certified passivation per AMS QQ-P-35.  Internal 5-40 2B thread fit was incorporated and two corners drilled at a .026 +/- .005" diameter.  Outside dimensions are 7/32" across the flats and .244" across corners.  Full paperwork was provided with the parts.

Custom 17-4 Stainless Steel Shoulder Screws

 

These custom 17-4 stainless steel shoulder screws were manufactured using DFARS compliant material for our defense customer, with MIL-DTL-13924D black oxide finish and heat treat to condition 1025.  M3 X 0.50 thread was incorporated at a length of 4.06MM and the shoulder measured 3MM in diameter by 24.5MM.  The head incorporated an aggressive diamond knurl and a broached 6-lobe drive.  Full certs with a FAIR were provided with the parts.