Kwik Kwality Fastener Private Limited

Square Beveled Washers are simple structural washers used at an angle with their bolting surface to compensate for the surface imperfections such as bolting on structural I beams and channels.
Square beveled washers are manufactured in metric and imperial sizes with variety of material options and customization.

• These beveled washers can be designed for rectangular profile as well. Zinc Plates, Hardened Steel, Stainless Steel, Hastelloy C276 are common grade choice for producing square beveled washers. 

Tab Washers are round shaped washer with a single or multiple tab to prevent both the nut and washer from rotating in a bolting assembly. Tab washers also have notches that can be formed to shape around bolts/nuts or designed to lay flat. Tab washers can be manufactured by stamping or laser cut.Tab washers are further categorized into internal tab washers and external tab washers. Tabs can be short can long.

• Tab washers also known as "Tab Key and Notched Washers" or "Tab Lock Washers". Bolting Specialist produces these lock washers in metric and imperial sizes with variety of material and customization. Zinc Plated, Stainless Steel 304, 316, Hastelloy C276 &Monel 400 are most common choice for tab washers.

Finishing Washer (Finish Washer) are round decorative washers with a center recess to hold the flat head screw and provide a clean appearance while the washer grips the bearing material securely away from the center. Stainless steel is most common material used for producing finishing washer. Black finish washer is also in application. Aluminum, brass, copper, nickel plated steel are some other options.

• Bolting Specialist provides fine quality finishing washers for your aesthetic fastening requirement.

Hex Washers or Hexagon Washers are simple flat washer with shape of a hex. Hex washers are rarely found in general applications. These are made to ordered for special applications and are available with Bolting Specialist in metric and imperial sizes. These hex washers are not designed as per any standard rather need to be punched as per requirement.

• Hex washers are manufactured by stamping or laser cut through the plate. We also offer wide range of product coatings for longer shelf life.

Countersunk washers are designed to use with flat head screws to prevent the normal tendency of the screw heads to split the host surface like wood. These countersunk washers can be produced according to the screw head degree. The washer/screw combination applies force the same way a pan-head screw does, but is counterbored to a flush position.

• Countersunk washers are machined from bar stock. Bolting Specialist can provide customization in the product.

Conical Spring Washers are hex head bolts with heavy profile. The hex and the thickness of the bolt head are considerable larger then standard hex head bolts. Heavy hex head bolts are available in both metric and inch sizes with UN, UNC, UNF, UNEF and ISO metric threads. Heavy hex bolts are produced in high tensile grades, stainless steel and majority of ASTM bolting specifications.

Plain Flat Washers (also called as Flat Washers) are simple circular disc with a center hole for bolt allowance. These flat washers are the most standard choice for most fastening applications. As the name suggests these washers have almost flat surface with perfect grip for the bolting joint.

• Plain washers are manufactured in metric and imperial size with standard and heavy thickness for high strength bolting. Flat washers are produced by die punching sheets, plates or strips of required material specification and trimmed for rough edges or sometimes can be machined from bar stock.

Spring Lock Washer (also known as helical spring washer or helical lock washer) are second most widely used washer type for fastening systems. This type of washer is also called as split washer referring to the shape. These spring washers are believed to be superior to flat / plain washer and proves efficientin the bolting joint.

• Depending upon the bolting application, these lock washers can be supplied in hardened condition or as formed condition.Bolting Specialist offers spring lock washers in both metric and imperial sizes with wide choice of material.

Ogee washers are large oversized washers with a large bearing surface designed to prevent bolt heads and nuts from being pulled into the softer bolting surface. Ogee refers to a shape by its meaning. Ogee washers manufactured as cast or machined from a suitable bar stock. Ogee washers are rarely used in a industrial application.

• Bolting Specialist can offer ogee washer as cast, forged or bar stock machined in metric and imperial sizes with choice of material like zinc plated steel, stainless steel 304, 316, copper, aluminum, monel, Hastelloy, etc.

Type of Internal Tab Washers with internal teeth designed to prevent a nut or bolt head from loosening with strut action mechanism. These internal tooth lock washers are excellent in absorbing shock and vibrations with aid of the teeth. Bolting Specialist offers these tooth lock washers in metric and imperial sizes.

• Zinc plated steel, stainless steel, phosphor bronze, copper, 410 stainless steel 304 and 316 stainless steel, aluminum, etc. are typical choice of material for manufacturing internal tooth lock washers. We offer these lock washers with zinc plating, black oxide, tin dipped, yellow passivation, cadmium coating, etc.

External Tooth washer as the name suggest have external teeth radially outward to provide maximum torsional resistance. These tooth lock washers are best for large headed screws like pan head, round head, binding head, washer head, etc, where the heads make contact with the washer teeth.

• There is a another version with conical shaped external tooth lock washer under DIN 6797 V. Bolting Specialist provides most of its supply of external teeth lock washer in zinc plated steel, stainless steel 304, 316 & 410, etc.

Type of Internal Tooth Lock Washers with internal teeth designed to prevent a nut or bolt head from loosening with strut action mechanism. These internal tooth lock washers are excellent in absorbing shock and vibrations with aid of the teeth. Bolting Specialist offers these tooth lock washers in metric and imperial sizes.

• Zinc plated steel, stainless steel, phosphor bronze, copper, 410 stainless steel 304 and 316 stainless steel, aluminum, etc. are typical choice of material for manufacturing internal tooth lock washers. We offer these lock washers with zinc plating, black oxide, tin dipped, yellow passivation, cadmium coating, etc.

Dock Washers are round shaped washer similar to flat but even larger than fender washers with a small center hole for bolt engagement. Dock washers are heavy-duty washers with ¼" (0.25 inch) gauge thickness for almost all sizes. These dock washers are optimal choice for heavy-duty load bearing applications.

• Bolting Specialist offers dock washers in metric and imperial sizes with wide choice of material of construction. Dock flat washers can be supplied with heavy thickness upto 5/8 inch. Zinc plated, plain carbon steel or stainless steel are most typical grade material for manufacturing dock washers.

As name suggests, Square Washers have square body with round hole in the center for the engagement of bolt or screws. Square washers are have larger surface bearing area than flat round washers and thus they develop more friction when tightened. These type of washers are specified for seismic applications. Bolting Specialist produces square washers in metric and imperial sizes with wide range of material options and customization.

• Zinc plated steel, stainless steel and hardened alloy steel are most commonly used for manufacturing square washers.