Washers

Flat washers: USS and SAE Flat Washers, Aluminum Flat Washer, AN Washer, Silicon Bronze Flat Washer, Bushing Washer, Dock Washers, Extra Heavy Washer, Fender Washer, Finishing Washer, Flat Brass Washer, Machine Screw Washer, Machinery Bushing, Metric Washer, Nylon Washer, Rivet Burrs, Stainless Steel Washer
 
Sealing Washers:  Sealing Washer/ Neoprene 

Beveled/ Belleville Washers:  Belleville Washer, Square Beveled Washer

Structural Washers:  Steel Washers

 

Lockwashers:  Standard Lock Washer, Tooth Lock Washer (Internal & External), Wave Washer, Silicon Bronze Lock Washer, Disc Lock Washer™, Heavy & Light Hi Collar Lock Washer

Speed Nuts, Clips, Push On Caps

Supplying engineered spring steel fasteners to the following industries:  

Metal Buildings, Construction, HVAC, Appliances, Commercial Lighting, Electronics, Lawn & Garden, Medical 

SPEED NUTS

Engineered spring steel fasteners that help simplify and revolutionize the way products are assembled. From appliances to electronics to medical and beyond, these fasteners offer products that provide simple connections, one piece at a time.  

CLIPS  

Trim Clip Fasteners, U-Type Fasteners,  S-Clip Fastener

 

NUT AND BOLT RETAINERS  

Nut Retainers, Self-Anchoring Nut Retainers, J-Type Nut Retainers, U-Type Nut Retainer, Bolt Retainers Rear Mounting Clips


PLASTIC RETAINER FASTENERS  

Plastic Push-On Caps, Clinch Type Plastic Fasteners,  Button Head Dart Plastic Fasteners,  Wire Retainers and Tube Retainers

 
 
 

Threaded Rod

threaded rodPurchase Partners distributes threaded rod iin coarse, fine and Acme threads.

Our stock materials include Low Carbon Steel, B7, HDG, SS (304), SS (316), Brass & Aluminum. Other alloys available on a special order basis.

Our stock finishes include Plain, Clear Zinc and Yellow Zinc. Other finishes are available upon request.

In addition to our competitive pricing, we carry significant inventories providing in-stock, finished goods with same day shipping.

 

 

Studs

Offering Fully Threaded, Double End, High Temperature/ Low Temperature Studs in All Material, Galvanized and Dip Spin Finishes. 
 
Continuous-thread studs are threaded from end to end and often used for flange bolting with two nuts applied.
 
Type 1 - General purpose. The length of this type is measured from end to end. Threads are UNRC-2A.
 
Type 2 - Studs for temperature-pressure piping. These studs are made to the dimensional standard requirements of ANS B16.5 and have a length measurement requirement different from all other studs, i.e., the length is measured from first thread to first thread, exclusive points. Points are flat and chamfered. Threads are UNRC-2A for all sizes 1 in. and under and 8UNR-2A for all sizes over 1 in.
 
 

Stainless Steel and Non-Ferrous Fasteners

 18-8 • 316 • 410 • Monel • Inconel • Titanium • Silicon Bronze • Brass

Offering an expansive breath of fasteners and component parts in stainless steel and other non-ferrous materials. 

 

Stainless Steel Grades We Sell:

17-4PH Stainless Steel
General purpose, precipitation-hardening, stainless steel, Low temperature (1000 def F approx) "age hardening" produces superior hardness/strength without distortion or scaling.
                                                                         
302 Stainless Steel
Type 302 is a slightly higher carbon version of type 304, most commonly found in strip and wire forms.  More corrosion resistant than 301 due to higher nickel content. Non-magnetic in annealed form, slightly magnetic when cold formed. 
303 Stainless Steel
303 is one of the most popular of all the free machining stainless steels. It offers good strength, corrosion resistance and great machinability.
304 Stainless Steel
One of the most widely used and oldest of the stainless steels. This was originally called 18-8 which stood for its chromium and nickel content. It possesses an excellent combination of strength, corrosion resistance and ease of use when fabricating.
316 Stainless Steel
This austenitic stainless steel has an increased molybdenum content to increase its resistance to corrosion when compared to other 300 series alloys. It will resist scaling at temperatures up to 1600 F. Many of our customer use this material for heat treating applications where hot salt solution is used. 316 is also used in the marine industry because of its resistance to corrosion. 
316L Stainless Steel
Much like 316 the "L" means "low carbon", the .035% carbon is a MAXIMUM value, in % by weight, and represents what is not removed during steel making.  The advantage of the lower carbon is that it  forms less chromium carbide during welding.  Chromium is what makes stainless steel stainless, if it is tied up as chromium carbide it cannot  prevent corrosion.  In the old days it was difficult to get down to .035%  so most 316 (and 304) had ~.06% and was subject to "sensitization" during welding.
416 Stainless Steel
416 was the first free machining stainless steel. It is a heat treatable chromium steel with excellent machinability and non-galling characteristics. The alloy is magnetic in all conditions. 416 is used a lot in well shafting. 
430 Stainless Steel
A basic Ferritic non-heat treatable stainless steel. Its strengths are in ductility, formability, good corrosion and oxidation resistance, thermal conductivity and finish quality.
440C Stainless Steel
This is a high carbon martensitic stainless with moderate corrosion resistance good strength and the ability to obtain and keep excellent hardness (Rc 60) and wear resistance. This is a common material used in knife making.

 

 

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