System of Measurement System of Measurement |
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Travel Distance per Turn Travel Distance per Turn |
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For Shaft Diameter For Shaft Diameter |
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Length Length | Show |
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Length Length | Hide |
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Installation Type Installation Type |
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![]() | Permanent |
Component Component |
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![]() | Nut |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Construction Construction |
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Number of Mounting Holes Number of Mounting Holes |
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Nut Type Nut Type |
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![]() | Threadless |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Drill Bushing Style Drill Bushing Style |
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Drill Bushing Type Drill Bushing Type |
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Hardness Hardness |
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Lubrication Lubrication |
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Maximum Temperature Maximum Temperature |
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Selecting Compatible Lead Screws and Nuts
More
Threadless Lead Screw Nuts

Install these nuts on a rotary shaft to create a linear positioning system without a lead screw. Instead of threads, a set of angled ball bearings drives the nut along a shaft as it spins. Nuts move towards you when the shaft rotates clockwise and away from you when the shaft rotates counterclockwise. To prevent overload damage, these nuts can be adjusted to slip and stop travelling at a given thrust load. Thrust loads are loads that are applied parallel to the shaft. Bearings are permanently lubricated to save maintenance time and effort.
Travel distance per turn is the distance the nut moves with one revolution of the shaft.
For technical drawings and 3-D models, click on a part number.

Overall | Mounting Hole | |||||||||||||
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For Shaft Dia., mm | Travel Distance per Turn, mm | Max. Thrust Cap. Before Slip, lbs. | Lg., mm | Wd., mm | Ht., mm | Ctr. Ht., mm | Ctr.-to-Ctr. Lg., mm | Thread Size | Thread Pitch, mm | No. of | Construction | Temperature Range, °F | Each | |
Aluminum | ||||||||||||||
8 | 8 | 16 | 56 | 28 | 40 | 14 | 18 | M4 | 0.7 | 2 | Two Piece | 0° to 230° | 0000000 | 0000000 |
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 | |||||||||||||
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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 | |
30 mm ID | ||||||||||||||
42 | 56 | One End | 30 mm | 0.02 to 0.041 | 0.017 to 0.033 | -0.3 to 0.3 | PM | Steel | Rockwell C61 | DIN 179 | 000000000 | 000000 | 000000 | 000000 |
48 | 56 | One End | 30 mm | 0.007 to 0.02 | 0.043 to 0.059 | -0.35 to 0.35 | PM | Steel | Rockwell C61 | __ | 000000000 | 00000 | 00000 | 00000 |
Tolerance | Each | |||||||||||||
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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 | |
40 mm ID | ||||||||||||||
55 | 56 | Both Ends | 40 mm | 0.025 to 0.05 | 0.02 to 0.039 | -0.3 to 0.3 | PM | Steel | Rockwell C61 | __ | 000000000 | 000000 | 000000 | 000000 |
55 | 56 | One End | 40 mm | 0.025 to 0.05 | 0.02 to 0.039 | -0.3 to 0.3 | PM | Steel | Rockwell C61 | DIN 179 | 000000000 | 00000 | 00000 | 00000 |