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Metric Oversized Washers
Compared to our general purpose washers, these have exaggerated diameters and/or thicknesses. Use them to cover oversized holes, hold heavy fastening loads, or as spacers and levelers.
Plain steel washers are stronger, more wear resistant, and less costly than zinc-plated steel and stainless steel washers. They should not be used in wet or corrosive environments because they easily rust. Zinc-plated steel washers have an outer layer of zinc that prevents the steel from rusting in wet areas. Compared to stainless steel, they're stronger, more wear resistant, and less costly, but not as corrosion resistant. Avoid exposing them to salt water and chemicals. Stainless steel washers are more corrosion resistant than steel washers, and almost as strong. Use them in damp and washdown applications without worrying about rust. 316 stainless steel washers stand up to salt water, chlorine solutions, and other chemicals without rusting.
Washers that meet DIN and ISO specifications meet international standards for washer dimensions. ISO 8738 is formerly DIN 1440. ISO 7093 is formerly DIN 9021.
For technical drawings and 3-D models, click on a part number.
Metric General Purpose Washers
Use these metric washers to evenly distribute the load under bolt or screw heads and nuts when fastening. They can also act as spacers.
Steel washers are stronger and more wear resistant than stainless steel washers. Steel washers without a plating or coating are best for dry environments, since moisture will cause them to rust.
Washers that meet ISO 7089, 7090, 7091, and 7092 (formerly DIN 125, 126, and 433), meet international standards for fastener dimensions. The ISO 7091 washers have a slightly rougher surface than a typical flat washer.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID, mm | OD, mm | Thickness, mm | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Steel | ||||||||
---|---|---|---|---|---|---|---|---|
M5 | 5.5 | 10.0 | 0.8-1.2 | Rockwell B52 | DIN 126; ISO 7091 | 100 | 000000000 | 00000 |
Metric Plastic Washers
These plastic washers are good electrical insulators.
Lubricant-filled nylon washers have a slippery surface that resists wear in high-friction applications.
Polycarbonate washers are more rigid than most plastic washers for high impact resistance. They have good moisture resistance and withstand oil, greases, and detergents.
For technical drawings and 3-D models, click on a part number.
Metric High-Temperature Plastic Washers
Able to withstand temperatures as high as 450° or 500° F, these are among the most heat resistant plastic washers we carry. They have good resistance to moisture and chemicals.
PEEK washers have excellent tensile strength for high-stress applications.
Carbon-filled PEEK washers are stronger and more moisture resistant than PEEK washers.
Ultem PEI washers are flame retardant, UV stable, and can be used outdoors. They also offer excellent electrical-insulating properties.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID, mm | OD, mm | Thick., mm | Min. | Max. | Hardness | Specifications Met | Choose a Color | Pkg. Qty. | Pkg. | |
PEEK Plastic | |||||||||||
M5 | 5.5 | 10.0 | 0.9-1.1 | -20° | 500° | Rockwell M103 | DIN 125 | 10 | 000000000 | 00000 | |
Carbon-Filled PEEK Plastic | |||||||||||
M5 | 5.5 | 10.0 | 0.9-1.1 | -20° | 500° | Rockwell M103 | DIN 125 | Black | 10 | 000000000 | 0000 |
Ultem PEI Plastic | |||||||||||
M5 | 5.5 | 10.0 | 0.9-1.1 | -30° | 450° | Rockwell M114 | DIN 125 | 10 | 000000000 | 0000 |
Oversized Clipped Washers
With greater diameters and/or thicknesses than general purpose washers, these washers cover oversized holes or act as spacers and levelers. Clipped to fit where standard washers can’t, they won’t rotate when you position the flat edge against a flat surface.
Black-oxide steel washers have mild corrosion resistance in dry environments.
Zinc-plated steel washers are corrosion resistant in wet environments.
18-8 stainless steel washers have good chemical resistance and may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Clipped Width | Thickness | Hardness | Pkg. Qty. | Pkg. | |
Steel | ||||||||
---|---|---|---|---|---|---|---|---|
M5 | 5.500mm | 18.000mm | 14.900mm | 0.900mm-1.100mm | Rockwell B55 | 10 | 000000000 | 000000 |
Black-Oxide Steel | ||||||||
M5 | 5.500mm | 18.000mm | 14.900mm | 0.900mm-1.100mm | Rockwell B55 | 5 | 000000000 | 0000 |
Zinc-Plated Steel | ||||||||
M5 | 5.500mm | 18.000mm | 14.900mm | 0.900mm-1.100mm | Rockwell B55 | 5 | 000000000 | 0000 |
18-8 Stainless Steel | ||||||||
M5 | 5.500mm | 18.000mm | 14.900mm | 0.900mm-1.100mm | Rockwell B68 | 10 | 000000000 | 00000 |
Metric Split Lock Washers
As a screw is tightened, these metric washers flatten to add tension to the joint, counteracting fatigue around the joint from small amounts of vibration. This makes them a common choice to prevent fasteners from loosening. However, they resist the least amount of vibration compared to other locking washers. They meet a DIN or ASME standard for split lock washer dimensions.
Curved and wave split lock washers can be used with fasteners that have right- or left-hand threads to prevent clockwise and counterclockwise rotation. These washers are reusable—they retain their shape when untightened and will not damage fasteners.
Steel washers are stronger and resist wear better than zinc-plated steel and stainless steel washers. Use them in dry environments.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID, mm | OD, mm | Thick., mm | Overall Ht., mm | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Steel | |||||||||
---|---|---|---|---|---|---|---|---|---|
Curved | |||||||||
M6 | 5.5 | 11.0 | 1.3 | 2.2 | Rockwell C44 | DIN 6905 | 50 | 000000000 | 000000 |
Metric Press-Fit Drill Bushings
Also known as jig bushings, these metric drill bushings fit inside fixture plate holes to guide drill bits, counterbores, reamers, and other cutting tools. They improve accuracy so that your drilled holes and cuts are consistent from part to part. Known for their versatility, drill bushings are also used as spacers, shims, and machinery bushings. These bushings are made of hardened, ground steel that holds its shape and resists wear, so they last for many cycles without needing to be replaced.
All bushings have a chamfer on the outside that centers the bushing as you place it into the hole. Press into place with a manual or hydraulic press. They also have internal chamfers, so it's easier to insert bits, pins, and punches into the bushing. Some bushings have internal chamfers on both ends, so no matter which end of the bushing is inserted into your jig, your bits, pins, and other tooling enter easily. Having an internal chamfer on the bottom of your bushing may cause shavings to get caught and bind as you remove the bit, however.
DIN 179 bushings meet dimensional and material standards that make sure they're compatible with other parts and tools. Although DIN 179 is no longer an active standard, it's still a common reference point for designers.
Don't see the size you need? Additional sizes are available.
For technical drawings and 3-D models, click on a part number.
Tolerance | Each | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD, mm | Lg., mm | Internal Chamfer | For Drill Bit Size | ID, mm | OD, mm | Lg., mm | Drill Bushing Type | Material | Hardness | Specifications Met | 1-5 | 6-11 | 12-Up | |
5.5 mm ID | ||||||||||||||
10 | 10 | Both Ends | 5.5 mm | 0.01 to 0.022 | 0.01 to 0.019 | -0.2 to 0.2 | PM | Steel | Rockwell C61 | __ | 000000000 | 00000 | 00000 | 00000 |
10 | 10 | One End | 5.5 mm | 0.01 to 0.022 | 0.01 to 0.019 | -0.2 to 0.2 | PM | Steel | Rockwell C61 | DIN 179 | 000000000 | 0000 | 0000 | 0000 |
10 | 16 | Both Ends | 5.5 mm | 0.01 to 0.022 | 0.01 to 0.019 | -0.2 to 0.2 | PM | Steel | Rockwell C61 | __ | 000000000 | 00000 | 0000 | 0000 |
10 | 16 | One End | 5.5 mm | 0.01 to 0.022 | 0.01 to 0.019 | -0.4 to 0.4 | PM | Steel | Rockwell C61 | __ | 0000000 | 0000 | 0000 | 0000 |
10 | 20 | One End | 5.5 mm | 0.01 to 0.022 | 0.01 to 0.019 | -0.2 to 0.2 | PM | Steel | Rockwell C61 | DIN 179 | 000000000 | 00000 | 00000 | 00000 |
Metric Press-Fit Drill Bushings with Head
Even under extreme drilling pressure, these metric bushings won't press through your jig plate. A flanged head on the top of the bushing acts as a stop, preventing it from moving as you push down your drill bit, reamer, or other cutting bit. Drill bushings ensure accurate, consistent cuts and drilled holes from one part to the next. They sometimes also work as spacers, shims, and machinery bushings. Made of hardened, ground steel, these bushings hold their shape and resist wear over time. The flanged head protects your jig plate from damage caused by heavy use.
Although it's no longer an active standard, DIN 172 is still a common reference point for making sure parts are compatible with other parts and tools.
These bushings work in both countersunk and standard drill holes. To install, place the bushing inside the hole in your jig. A chamfered edge on the bottom of the bushing helps center the bushing in the hole. Once centered, press the bushing into the hole with a hydraulic or lever press.
For technical drawings and 3-D models, click on a part number.
Head | Tolerance | Each | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD, mm | Lg., mm | OD, mm | Thick., mm | ID, mm | OD, mm | Lg., mm | Drill Bushing Type | Material | Hardness | Specifications Met | 1-5 | 6-11 | 12-Up | |
5.5 mm ID | ||||||||||||||
10 | 7 | 13 | 3 | 0.01 to 0.022 | 0.01 to 0.019 | -0.2 to 0.2 | H | Steel | Rockwell C61 | DIN 172 | 000000000 | 000000 | 00000 | 00000 |
10 | 13 | 13 | 3 | 0.01 to 0.022 | 0.01 to 0.019 | -0.2 to 0.2 | H | Steel | Rockwell C61 | DIN 172 | 000000000 | 00000 | 00000 | 0000 |
10 | 17 | 13 | 3 | 0.01 to 0.022 | 0.01 to 0.019 | -0.2 to 0.2 | H | Steel | Rockwell C61 | DIN 172 | 000000000 | 00000 | 00000 | 00000 |