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Thrust Ball Bearings
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For silky-smooth motion, the balls inside these bearings roll nearly friction-free. You'll often find them at the end of a shaft or between a stationary and rotating surface, such as on a propeller or rotary table.
These bearings come as three separate pieces—one cage and two washers. The cage holds the balls in place, while the washers create a surface for the balls to roll on. This design is easy to lubricate, but the oil will attract dust and grime since it's exposed.
Steel—Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust.
Stainless Steel—These bearings won't degrade from water or mild chemicals, such as the ammonia in cleaning solutions. However, they're not as strong as steel bearings.
Press-Fit Drill Bushings
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Also known as jig bushings, these drill bushings fit inside fixture plate holes to precisely guide drill bits, counterbores, reamers, and other cutting tools. They improve accuracy so 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.
Press into place with a manual or hydraulic press. Since these bushings are sized slightly larger than the hole for an extremely tight fit, they’ll stay put permanently. These are ANSI Type P bushings—also known as headless bushings—which means you don’t need to counterbore the hole to mount them flush.
Don't see the size you need? Additional sizes are available.
Tolerance | Each | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD | Lg. | For Drill Bit Size, mm | For Drill Bit Size Decimal Equiv. | ID | OD | Lg. | Drill Bushing Type | Material | Hardness | 1-9 | 10-49 | 50-Up | |||
0.128" ID | |||||||||||||||
| 1/4" | 1/4" | 3.25 | 0.128" | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.015" to 0.015" | P | Steel | Rockwell C61 | 3671N119 | 00000 | 00000 | 00000 | ||
| 1/4" | 1/2" | 3.25 | 0.128" | 0.0001" to 0.0004" | 0.0013" to 0.0016" | -0.015" to 0.015" | P | Steel | Rockwell C61 | 3671N12 | 00000 | 0000 | 0000 | ||
Drill Bushings for Plastic
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Serrations line the sides of these bushings to keep them from spinning while you drill. Also known as jig bushings, they’re pressed or molded into plastic tooling to guide drill bits, counterbores, and reamers. They help you create consistent, accurate holes from part to part.
Also Available: Other sizes. Please select 3378A999 and specify ID, OD, and length.
Tolerance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD | Lg. | For Drill Bit Size, mm | For Drill Bit Size Decimal Equiv. | ID | OD | Drill Bushing Type | Material | Hardness | Each | |||
0.128" ID | ||||||||||||
| 1/4" | 1/2" | 3.25 | 0.128" | 0.0001" to 0.0004" | 0.01" to 0.025" | SG | Tool Steel | Rockwell C61 | 3378A825 | 00000 | ||
Drill Bushings for Soft Metal and Wood
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Serrations on these bushings dig into wood, aluminum, and other soft metals to keep them from spinning while you drill. Also known as jig bushings, they fit inside fixture plates to guide drill bits, counterbores, and reamers. They improve accuracy so that your drilled holes and cuts are consistent from part to part.
Also Available: Other sizes. Please select 3377A999 and specify ID, OD, and length.
Tolerance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD | Lg. | For Drill Bit Size, mm | For Drill Bit Size Decimal Equiv. | ID | OD | Drill Bushing Type | Material | Hardness | Each | |||
0.128" ID | ||||||||||||
| 5/16" | 1/2" | 3.25 | 0.128" | 0.0001" to 0.0004" | -0.0002" to 0" | SP | 1144 Carbon Steel | Rockwell C61 | 3377A217 | 000000 | ||
Press-Fit Reamer Bushings
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With ID tolerances sized specifically for reamers, these bushings ensure steady and precise hole finishing. Press them into a fixture plate with a manual or hydraulic press for permanent installation. Also known as headless bushings, these ANSI-type P bushings don’t need counterboring to be mounted flush. They are made of hardened, ground steel that holds its shape and resists wear, so they last for many cycles without needing to be replaced.
Tolerance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID | OD | Lg. | For Reamer Dia. | ID | OD | Lg. | Drill Bushing Type | Material | Hardness | Each | ||
| 0.128" | 1/4" | 1/4" | 0.128" | 0.0005" to 0.0008" | 0.0013" to 0.0016" | -0.01" to 0.01" | P | Steel | Rockwell C61 | 9473N197 | 000000 | |
Removable Drill Bushings for Thin Metal
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Unlike most bushings, these won’t buckle the material or distort the hole when installed in thin-gauge aluminum and steel fixture plates. They’re held in place by a lock ring (sold separately), so they’re easy to remove and reuse. Also known as jig bushings, they accurately guide drill bits, counterbores, reamers, and other cutting tools. Use them to make sure your drilled holes and cuts are consistent from part to part.
Tolerance | Thread | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID | OD | Lg. | For Drill Bit Size, mm | ID | OD | For Material Thk. | Size | Lg. | Direction | Material | Hardness | Each | ||
| 0.128" | 3/8" | 1/2" | 3.25 | 0.0001" to 0.0015" | 0.003" to 0.005" | 1/64" to 3/8" | 3/8"-24 | 1/4" | Left Hand | 1144 Carbon Steel | Rockwell C59 | 8509A614 | 000000 | |
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For Bushing OD | For Material Thk. | OD | Lg. | Material | Each | ||
|---|---|---|---|---|---|---|---|
| 3/8" | 1/64" to 1/8" | 7/16" | 3/8" | Aluminum | 8509A523 | 00000 | |
| 3/8" | 1/64" to 1/8" | 1/2" | 3/8" | Aluminum | 8509A31 | 0000 | |
| 3/8" | 9/64" to 3/16" | 7/16" | 5/16" | Aluminum | 8509A534 | 0000 | |
| 3/8" | 9/64" to 3/16" | 1/2" | 5/16" | Aluminum | 8509A528 | 0000 | |
| 3/8" | 13/64" to 3/8" | 7/16" | 3/16" | Aluminum | 8509A545 | 0000 | |
| 3/8" | 13/64" to 3/8" | 1/2" | 3/16" | Aluminum | 8509A539 | 0000 |
Strong-Hold Drill Bushings for Plastic
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Designed to grip slippery plastic, the knurls on these bushings keep them from spinning while you drill. Their hold is stronger than serrated bushings, so they can withstand more force. Press or mold into plastic tooling to guide your drill bit and create accurate, consistent holes.
Also Available: Other sizes. Please select 3379A999 and specify ID, OD, and length.
Tolerance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD | Lg. | For Drill Bit Size, mm | For Drill Bit Size Decimal Equiv. | ID | OD | Drill Bushing Type | Material | Hardness | Each | |||
0.128" ID | ||||||||||||
| 1/4" | 1/2" | 3.25 | 0.128" | 0.0001" to 0.0004" | 0.01" to 0.025" | DG | Tool Steel | Rockwell C61 | 3379A324 | 00000 | ||
Removable Drill Bushings
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Replace worn bushings and quickly change IDs without needing to repeatedly use a lever press. Instead of pressing bushings in and out of your jig fixture, which can cause damage, these bushings slide in and out of sleeves (sold separately). By swapping in a bushing with a different ID, you can change the size of your bit and still use the same hole in your fixture. All are made to tight dimensional tolerances for consistent, accurate results, even as you change them in and out. They're also known as slip-fixed and renewable bushings.
Choose a sleeve with a length that matches the length of your bushing. To prevent bushings from spinning inside the sleeve as you drill, pair a standard sleeve with a lock screw, or use a locking sleeve. For faster placement in and removal from sleeves, use a handle.
Head | Tolerance | Each | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD | Lg. | For Drill Bit Size, mm | For Drill Bit Size Decimal Equiv. | OD | Thk. | Lock Screw/Bushing Ctr.-to-Ctr. | ID | OD | Lg. | Drill Bushing Type | Material | Hardness | 1-5 | 6-11 | 12-Up | |||
0.128" ID | ||||||||||||||||||
| 5/16" | 1/4" | 3.25 | 0.128" | 35/64" | 1/4" | 1/2" | 0.0001" to 0.0004" | -0.0002" to 0" | -0.01" to 0.01" | SF | Steel | Rockwell C61 | 8493A531 | 000000 | 000000 | 000000 | ||
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Slotted Drive | Hex Drive |
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For Bushing OD | ID | OD | Lg. | ID Tolerance | For Drill Bushing Type | Material | Hardness | Sleeve ANSI No. | Each | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5/16" | 5/16" | 1/2" | 3/8" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | L-32-6 | 3556N126 | 00000 | |
| 5/16" | 5/16" | 1/2" | 1/2" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | L-32-8 | 3556N127 | 0000 | |
| 5/16" | 5/16" | 1/2" | 3/4" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | L-32-12 | 3556N128 | 0000 | |
| 5/16" | 5/16" | 1/2" | 1" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | L-32-16 | 3556N129 | 00000 | |
| 5/16" | 5/16" | 9/16" | 3/8" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | L-36-6 | 3556N134 | 0000 | |
| 5/16" | 5/16" | 9/16" | 3/4" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | L-36-12 | 3556N137 | 0000 |
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Knurled |
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Smooth |
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Knurled | Smooth | |||||||||||||
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For Bushing OD | ID | OD | Lg. | Head Dia. | Flange Distance | ID Tolerance | For Drill Bushing Type | Material | Hardness | Each | Each | |||
| 5/16" | 5/16" | 1/2" | 19/32" | 9/16" | 3/8" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | 31425A122 | 000000 | 31425A111 | 000000 | |
| 5/16" | 5/16" | 1/2" | 23/32" | 9/16" | 3/8" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | 31425A123 | 00000 | 31425A21 | 00000 | |
| 5/16" | 5/16" | 1/2" | 31/32" | 9/16" | 3/8" | 0.0001" to 0.0004" | SF | Steel | Rockwell C61 | 31425A124 | 00000 | 31425A112 | 00000 | |
