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Measurement
Metric Inch
Length
1/4 5/16 3/8 1/2 5/8 3/4 1 1-1/4 1-3/8 1-1/2 8mm 10mm 12mm 16mm 20mm 25mm 30mm
ID
.0135-.0625 .0135-.0625* .0292-.0625* 1/2 (.5000) 1/4 (.2500) 1/8 (.1250) 11/16 (.6875) 11/32 (.3438) 11/64 (.1719) 13/32 (.4062) 13/64 (.2031) 15/64 (.2344) 17/32 (.5312) 17/64 (.2656) 19/64 (.2969) 21/32 (.6562) 21/64 (.3281) 25/64 (.3906) 27/64 (.4219) 29/64 (.4531) 3/16 (.1875) 3/4 (.7500) 3/8 (.3750) 33/64 (.5156) 41/64 (.6406) 43/64 (.6719) 5/16 (.3125) 5/32 (.1562) 5/8 (.6250) 6.40mm (.2520) 7/16 (.4375) 7/32 (.2188) 7/64 (.1094) 9/16 (.5625) 9/32 (.2812) 9/64 (.1406) .1865 .2490 1/4 .2510 F (.2570) G (.2610) H (.2660) I (.2720) J (.2770) N (.3020) .3115 5/16 O (.3160) 3/8 V (.3770) .4990 1/2 .5010 5/8 3/4 1 #1 (.2280) 1-3/4 #2 (.2210) 3.00mm #3 (.2130) 5.00mm 6.00mm 6.80mm #7 (.2010) 8.00mm 8mm 8.40mm #9 (.1960) 10.00mm 10mm #10 (.1935) #11 (.1910) 12.00mm 12mm #12 (.1890) 15.00mm 15mm #15 (.1800) #16 (.1779) #17 (.1730) #19 (.1660) 20.00mm #20 (.1610) #21 (.1590) 22.00mm #22 (.1570) #24 (.1520) #25 (.1495) #26 (.1470) #27 (.1440) #28 (.1405) #29 (.1360) 30.00mm 30mm #30 (.1285) #31 (.1200) #33 (.1130) #34 (.1110) #36 (.1065) #39 (.0995) #40 (.0980) 42.00mm
Material
Steel Carbide Aluminum
OD
5/32 13/64 1/4 5/16 3/8 13/32 7/16 1/2 5/8 3/4 7/8 1 1-3/8 2-1/4 6mm 8mm 10mm 12mm 15mm 18mm 22mm 30mm 42mm 55mm
Finish
Black Oxide
Drill Size
1/64-1/16, #80-#53, .35-1.60mm 1/32-1/16, #69-#53, .75-1.60mm
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Drill Bushings

Drill bushings are precision-engineered components used in jigs, fixtures, and machining setups to guide cutting tools like drills, reamers, and counterbores with exceptional accuracy and repeatability. By providing a hardened guide for cutting tools, drill bushings help maintain proper alignment, reduce tool deflection, and extend tool life, ensuring clean, consistent hole placement in high-volume and tight-tolerance applications.
Whether you’re working with dedicated production tooling or modular fixtures, Carr Lane Mfg.’s drill bushings deliver reliable performance, tight tolerances, and long-lasting durability. With a wide range of styles, materials, and mounting options available, we offer solutions to suit nearly any application or industry. Browse our full selection below to find the right drill bushing solution for your operation. 

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