Best Hillman Hardware Pins in 2026

Diameter: 5/16 inch

Length: 2 inches

Material: Steel

【HIGH QUALITY】Made of high quality 304 Stainless Steel, corrosion resistant, durable and steady, high quality materials and construction to ensure long service life.

【UNIQUE DESIGN】The cotter pin made of heavy duty material, with hair pin style design gives fast and secure hold for bolts and pins, specialty locks to ensure tight hold that will last long.

【VARIOUS SIZES】150Pcs 6 different Sizes in a convenient grid storage box, Including M1.6*25, M2.5*25, M2.5*40, M3.2*30, M3.2*40, M4*60. Different sizes can meet your different daily needs.

Diameter: 1/2"

Length: 4-1/4 inches

Material: Steel

【Packing includes】Contains 5 sizes of cotter clip: 32 Pcs M1.6 * 28, 20 Pcs M2 * 40, 10 Pcs M2.5 * 50, 10 Pcs M3 * 60, 8 Pcs M3.5 * 75, 80 Pcs in total.

【Material & Quality】All retaining pins are made of high quality carbon steel, galvanized surface, smooth and burr-free, rust and corrosion resistant, sturdy and durable.

【Design】These R type cotter pins adopt hairpin design, can fast, safe and effective lock bolt, prevent relative rotation, durable.

【HIGH MATERIAL HITCH PINS】: Our Hairpin Cotter Pins are made of heavy duty alloy steel plated with zinc for excellent anti-rust and corrosion resistance. The hair pin is durable, smooth surface and burr-free that ensures a long service life in any use place. The hairpin design secures the bolt quickly for stability.

【BEST COMBINATION COTTER PIN】: IEAWISL Cotter pin assortment kit consists of 6 different sizes- 1/16 x 1, 3/40 x 1-3/16, 1/10 x 1-1/2, 1/8 x 2, 11/80 x 3, 4/25 x 3. These sizes can meet your needs for almost any mechanical, automotive or small engine repair, and becomes a necessity for mechanics, caravan owner, lawnmower, and biker.

【TOP QUALITY & CONVENIENT BOX】: We want you to receive a perfect set of cotter pin assortment kit and products that don't get mixed up, so we've reinforced and thickened the inside and outside of the box. Therefore, you don't need to worry about the damage or mess of the case. We put a beautiful label on each box for you to quickly identify and store the cotter pins.

Quick Release Pin: High shear capacity steel gives maximum strength for all applications. Boat bimini top deck hinge or jaw slide clamp bracket marine hardware.

Made of marine grade 316 stainless steel, very tough and resistant to corrosion. Quick release pins are economical pins that can be applied in both military and commercial equipment. SIZE: Total length 3 inch (76mm), usable length 2.4 inch（61mm）. Diameter 0.25 inch, diameter with spring 0.29 inch.

Widely used: It can be used for marine mountain seat, stainless steel pipe clip, ship outfitting, shipbuilding, etc.

✔Quick Release Pin : High shear capacity steel gives maximum strength for all applications. bimini top pin quick release pin boat bimini top deck hinge or jaw slide clamp bracket marine hardware.

✔Widely used: Quick-release pins are economical pins that can be applied in both military and commercial equipment. It can be used for marine mountain seats, stainless steel pipe clips, ship outfitting, shipbuilding, etc.

✔ Size: Total length 1.49 inch, usable length 1.18 inch. Diameter 0.25 inch .For more specification about the product, please refer to the picture, which has detailed size.

【Pack of 250 】: Hairpin cotter pin 110pcs, R cotter pins 140pcs - 12 Sizes: Each type 6 sizes.

【PREMIUM COTTER PINS】: Made of Carbon steel retaining pins, smooth surface, no burr, rust-resistant, corrosion-resistant, strong and durable.

【HIGH PERFORMANCE】: Easy to use and fast and safe fixing of bolts and pins to keep power equipment running normally.

Diameter: 3/32"

Length: 2-1/2 inches

Material: Steel

MATERIAL: Dowel pin are made with high quality 304 Stainless Steel, not easy to rust, Anti-moisture, Anti-oxiclation, corrosion resistant, acid/alkali resistance for indoor and outdoor use.

PACKING QUANTITY: 360Pcs dowel pin 24 Sizes:M2(6/8/10/12/16mm), M3(6/8/10/12/16mm), M4(6/8/10/12/16mm), M5(8/10/12/16/18mm), 1Pcs clip.

SUITABLE FOR: Dowel pins are solid metal cylindrical fasteners that are used in a wide range of applications. Also known as parallel pins, dowel pins are used to retain parts in a fixed position, maintain alignment between different parts, or to join different components together.

MATERIAL: Clevis Pins are made with high quality 304 Stainless Steel, not easy to rust, Anti-moisture, Anti-oxiclation, corrosion resistant, acid/alkali resistance for indoor and outdoor use.

PACKING QUANTITY: 55Pcs Clevis Pins 15 sizes(M3x10、M3x12、M3x14、M3x16、M3x20、M4x10、M4x12、M4x16、M4x20、M4x25、M5x12、M5x16、M5x20、M5x25，M5x30), 55Pcs Cotter Pin 2 sizes(M1.2x8、M1.7x12).

SUITABLE FOR: Clevis Pins are used in a wide variety of fasteners used in farming equipment and sailboat rigging, as well as the automotive, aircraft and construction industries. As a part of a fastener, a clevis provides a method of allowing rotation in some axes while restricting rotation in others.

Material: 304 stainless steel, smooth surface, no burr, corrosion resistance, rust prevention, durability.

Packaging includes:There are 6 sizes in the cotter pin clamp combination kit, totaling 160pcs.M1.5x25mm x 35pcs, M2.5x25mm x 30pcs, M2.5x30mm x 25pcs, M3.2x30mm x 25pcs, M3.2x40mm x 25pcs, M4x60mm x 20pcs.

Product features: Cotter pin can quickly and safely fix all kinds of nuts and bolts, which can prevent the relative rotation of nuts and bolts.