Colony Machine
Colony Machine is a trusted name in Harley Davidson hardware kits, fasteners and precision engineered restoration components. Known for exact OEM style fitment, Colony produces bolts, washers, studs and mounting kits that match or exceed factory specifications. Their hardware is widely used in engine rebuilds, drivetrain service and complete motorcycle restorations thanks to consistent quality and accurate machining. From Twin Cam to Sportster and Shovelhead models, Colony parts offer a reliable solution for maintaining factory level performance and appearance.
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Out of stock
V-Twin - 37-0396 - Hexagon Nuts 9/16 inch-18 x 1/2 inch x 15/16 inch
Colony Machine
$28.88V-Twin - 37-0396 - Hexagon Nuts 9/16 inch-18 x 1/2 inch x 15/16 inchDescriptionReplica parkerized hexagon nuts measure 9/16"-18 x 1/2" x 15/16" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0395 - Hexagon Nuts 9/16 inch-18 x 39/64 inch x 7/8 inch
Colony Machine
$28.88V-Twin - 37-0395 - Hexagon Nuts 9/16 inch-18 x 39/64 inch x 7/8 inchDescriptionReplica parkerized hexagon nuts measure 9/16"-18 x 39/64" x 7/8" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0394 - Hexagon Nuts 9/16 inch-18 x 11/32 inch x 15/16 inch
Colony Machine
$28.88V-Twin - 37-0394 - Hexagon Nuts 9/16 inch-18 x 11/32 inch x 15/16 inchDescriptionReplica parkerized hexagon nuts measure 9/16"-18 x 11/32" x 15/16" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0393 - Hexagon Nuts 9/16 inch-24 x 7/32 inch x 7/8 inch
Colony Machine
$28.88V-Twin - 37-0393 - Hexagon Nuts 9/16 inch-24 x 7/32 inch x 7/8 inchDescriptionReplica parkerized hexagon nuts measure 9/16"-24 x 7/32" x 7/8" long, U.S.F.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0392 - Hexagon Nuts 1/2 inch-20 x 7/16 inch x 1 inch
Colony Machine
$28.88V-Twin - 37-0392 - Hexagon Nuts 1/2 inch-20 x 7/16 inch x 1 inchDescriptionReplica parkerized hexagon nuts measure 1/2"-20 x 7/16" x 1" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0391 - Hexagon Nuts 1/2 inch-20 x 7/16 inch x 7/8 inch
Colony Machine
$28.88V-Twin - 37-0391 - Hexagon Nuts 1/2 inch-20 x 7/16 inch x 7/8 inchDescriptionReplica parkerized hexagon nuts measure 1/2"-20 x 7/16" x 7/8" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0390 - Hexagon Nuts 1/2 inch-20 x 5/16 inch x 13/16 inch
Colony Machine
$28.88V-Twin - 37-0390 - Hexagon Nuts 1/2 inch-20 x 5/16 inch x 13/16 inchDescriptionReplica parkerized hexagon nuts measure 1/2"-20 x 5/16" x 13/16" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0389 - Hexagon Nuts 7/16 inch-20 x 29/64 inch x 5/8 inch
Colony Machine
$28.88V-Twin - 37-0389 - Hexagon Nuts 7/16 inch-20 x 29/64 inch x 5/8 inchDescriptionReplica parkerized castellated hexagon nuts measure 7/16"-20 x 29/64" x 5/8" long, National Fine.Sold as a pack of 5...$28.88 -
Out of stock
V-Twin - 37-0388 - Hexagon Nuts 7/16 inch-20 x 3/8 inch x 5/8 inch
Colony Machine
$28.88V-Twin - 37-0388 - Hexagon Nuts 7/16 inch-20 x 3/8 inch x 5/8 inchDescriptionReplica parkerized hexagon nuts measure 7/16"-20 x 3/8" x 5/8" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0387 - Hexagon Nuts 7/16 inch-20 x 1/4 inch x 5/8 inch
Colony Machine
$28.88V-Twin - 37-0387 - Hexagon Nuts 7/16 inch-20 x 1/4 inch x 5/8 inchDescriptionReplica parkerized hexagon nuts measure 7/16"-20 x 1/4" x 5/8" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0386 - Hexagon Nuts 7/16 inch-20 x 1/4 inch x 9/16 inch
Colony Machine
$28.88V-Twin - 37-0386 - Hexagon Nuts 7/16 inch-20 x 1/4 inch x 9/16 inchDescriptionReplica parkerized hexagon nuts measure 7/16"-20 x 1/4" x 9/16" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0385 - Flexloc Nuts 7/16 inch-20 Thread
Colony Machine
$28.88V-Twin - 37-0385 - Flexloc Nuts 7/16 inch-20 ThreadDescriptionReplica parkerized flexloc nuts measure 7/16"-20 thread, National Fine.Sold as a pack of 5. Fits:All modelsAdditional Information OEM No...$28.88 -
Out of stock
V-Twin - 37-0384 - Hexagon Nuts 3/8 inch-32 x 13/16 inch x 5/8 inch
Colony Machine
$28.88V-Twin - 37-0384 - Hexagon Nuts 3/8 inch-32 x 13/16 inch x 5/8 inchDescriptionReplica parkerized hexagon nuts measure 3/8"-32 x 13/16" x 5/8" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0383 - Castellated Hexagon Nuts 3/8 inch-24 x 15/32 inch x 9/16 inc
Colony Machine
$28.88V-Twin - 37-0383 - Castellated Hexagon Nuts 3/8 inch-24 x 15/32 inch x 9/16 incDescriptionReplica parkerized castellated hexagon nuts measure 3/8"-24 x 15/32" x 9/16" long, National Fine.Sold as a...$28.88 -
Out of stock
V-Twin - 37-0382 - Hexagon Nuts 3/8 inch-32 x 9/16 inch x 3/32 inch
Colony Machine
$28.88V-Twin - 37-0382 - Hexagon Nuts 3/8 inch-32 x 9/16 inch x 3/32 inchDescriptionReplica parkerized hexagon nuts measure 3/8"-32 x 9/16" x 3/32" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0381 - Hexagon Nuts 3/8 inch-24 x 1/2 inch x 9/16 inch
Colony Machine
$28.88V-Twin - 37-0381 - Hexagon Nuts 3/8 inch-24 x 1/2 inch x 9/16 inchDescriptionReplica parkerized hexagon nuts measure 3/8"-24 x 1/2" x 9/16" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0379 - Hexagon Nuts 3/8 inch-24 x 5/16 inch x 9/16 inch
Colony Machine
$28.88V-Twin - 37-0379 - Hexagon Nuts 3/8 inch-24 x 5/16 inch x 9/16 inchDescriptionReplica parkerized hexagon nuts measure 3/8"-24 x 5/16" x 9/16" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0378 - Hexagon Nuts 3/8 inch-24 x 21/64 inch x 5/8 inch
Colony Machine
$28.88V-Twin - 37-0378 - Hexagon Nuts 3/8 inch-24 x 21/64 inch x 5/8 inchDescriptionReplica parkerized hexagon nuts measure 3/8"-24 x 21/64" x 5/8" long, National Fine.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0377 - Hexagon Nuts 3/8 inch-16 x 5/16 inch x 9/16 inch
Colony Machine
$28.88V-Twin - 37-0377 - Hexagon Nuts 3/8 inch-16 x 5/16 inch x 9/16 inchDescriptionReplica parkerized hexagon nuts measure 3/8"-16 x 5/16" x 9/16" long, National Coarse.Sold as a pack of 5. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0375 - Acorn Nuts 3/8 inch-24
Colony Machine
$28.88V-Twin - 37-0375 - Acorn Nuts 3/8 inch-24DescriptionReplica parkerized acorn nuts measure 3/8"-24, National Fine.Sold as a pack of 5. Fits:All modelsAdditional Information OEM No.7779 UOM5 - PK ...$28.88 -
Out of stock
V-Twin - 37-0374 - Flexloc Nuts 3/8 inch-24
Colony Machine
$28.88V-Twin - 37-0374 - Flexloc Nuts 3/8 inch-24DescriptionReplica parkerized flexloc nuts measure 3/8"-24 thread, National Fine.Sold as a pack of 5. Fits:All modelsAdditional Information OEM No.7775 ...$28.88 -
V-Twin - 37-0372 - Hexagon Nuts 5/16 inch-24 x 3/16 inch x 1/2 inch
Colony Machine
$28.88V-Twin - 37-0372 - Hexagon Nuts 5/16 inch-24 x 3/16 inch x 1/2 inchDescriptionReplica parkerized hexagon nuts measure 5/16"-24 x 3/16" x 1/2" long, National Fine.Sold as a pack of 10. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0371 - Self Locking Nuts 5/16 inch-24
Colony Machine
$28.88V-Twin - 37-0371 - Self Locking Nuts 5/16 inch-24DescriptionReplica parkerized self locking nuts measure 5/16"-24, National Fine.Sold as a pack of 10. Fits:All modelsAdditional Information OEM No...$28.88 -
Out of stock
V-Twin - 37-0370 - Acorn Nuts 5/16 inch-24
Colony Machine
$28.88V-Twin - 37-0370 - Acorn Nuts 5/16 inch-24DescriptionReplica parkerized acorn nuts measure 5/16"-24 thread, National Fine.Sold as a pack of 10. Fits:All modelsAdditional Information OEM No.7736 ...$28.88 -
Out of stock
V-Twin - 37-0369 - Hexagon Nuts 1/4 inch-24 x 1/4 inch x 1/2 inch
Colony Machine
$28.88V-Twin - 37-0369 - Hexagon Nuts 1/4 inch-24 x 1/4 inch x 1/2 inchDescriptionReplica parkerized hexagon nuts measure 1/4"-24 x 1/4" x 1/2" long, N.S.Sold as a pack of 10. Fits:All modelsAdditional...$28.88 -
Out of stock
V-Twin - 37-0368 - Hexagon Nuts 1/4 inch-24 x 7/32 inch x 7/16 inch
Colony Machine
$28.88V-Twin - 37-0368 - Hexagon Nuts 1/4 inch-24 x 7/32 inch x 7/16 inchDescriptionReplica parkerized hexagon nuts measure 1/4"-24 x 7/32" x 7/16" long, N.S.Sold as a pack of 10. Fits:All modelsAdditional...$28.88 -
Out of stock
V-Twin - 37-0367 - Hexagon Nuts 1/4 inch-20 x 1/4 inch x 1/2 inch
Colony Machine
$28.88V-Twin - 37-0367 - Hexagon Nuts 1/4 inch-20 x 1/4 inch x 1/2 inchDescriptionReplica parkerized hexagon nuts measure 1/4"-20 x 1/4" x 1/2" long, Nataional Coarse.Sold as a pack of 10. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0366 - Acorn Nuts 1/4 inch-28
Colony Machine
$28.88V-Twin - 37-0366 - Acorn Nuts 1/4 inch-28DescriptionReplica chrome acorn nuts measure 1/4"-28 thread, National Fine.Sold as a pack of 10. Fits:All modelsAdditional Information OEM No.7684 UOM10 -...$28.88 -
Out of stock
V-Twin - 37-0365 - Hexagon Nuts 1/4 inch-28 x 3/16 inch x 7/16 inch
Colony Machine
$28.88V-Twin - 37-0365 - Hexagon Nuts 1/4 inch-28 x 3/16 inch x 7/16 inchDescriptionReplica cadmium plated hexagon nuts measure 1/4"-28 x 3/16" x 7/16" long, Nataional Fine.Sold as a pack of 10. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0364 - Hexagon Nuts 1/4 inch-28 x 3/16 inch x 7/16 inch
Colony Machine
$28.88V-Twin - 37-0364 - Hexagon Nuts 1/4 inch-28 x 3/16 inch x 7/16 inchDescriptionReplica parkerized hexagon nuts measure 1/4"-28 x 3/16" x 7/16" long, Nataional Fine.Sold as a pack 10. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0363 - Hexagon Nuts 12-24 x 5/32 inch x 7/16 inch
Colony Machine
$28.88V-Twin - 37-0363 - Hexagon Nuts 12-24 x 5/32 inch x 7/16 inchDescriptionReplica parkerized hexagon nuts measure 12-24 x 5/32" x 7/16" long, Nataional Coarse.Sold as a pack of 10. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0362 - Cap Nuts 12-24
Colony Machine
$28.88V-Twin - 37-0362 - Cap Nuts 12-24DescriptionReplica parkerized cap nuts measure No. 12-24, National Coarse.Sold as a pack of 10. Fits:All modelsAdditional Information OEM No.7651 UOM10 - PK ...$28.88 -
Out of stock
V-Twin - 37-0361 - Hexagon Nuts No. 10-32 x 3/16 inch x 3/8 inch
Colony Machine
$28.88V-Twin - 37-0361 - Hexagon Nuts No. 10-32 x 3/16 inch x 3/8 inchDescriptionReplica parkerized hexagon nuts measure No. 10-32 x 3/16" x 3/8" long, Nataional Fine.Sold as a pack of 10. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0360 - Hexagon Nuts No. 10-24 x 3/8 inch x 1/4 inch
Colony Machine
$28.88V-Twin - 37-0360 - Hexagon Nuts No. 10-24 x 3/8 inch x 1/4 inchDescriptionReplica parkerized hexagon nuts measure No. 10-24 x 3/8" x 1/4" long, Nataional Coarse.Sold as a pack of 10. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0359 - Flexloc Nuts 10-24
Colony Machine
$28.88V-Twin - 37-0359 - Flexloc Nuts 10-24DescriptionReplica parkerized flexloc nuts measure 10-24, National Coarse.Sold as a pack of 10. Fits:All modelsAdditional Information OEM No.7624 UOM10 - PK ...$28.88 -
Out of stock
V-Twin - 37-0358 - Square Nuts 8-32 x 1/8 inch x 11/32 inch
Colony Machine
$28.88V-Twin - 37-0358 - Square Nuts 8-32 x 1/8 inch x 11/32 inchDescriptionReplica parkerized square nuts measure 8-32 x 1/8" x 1/32" long, Nataional Coarse.Sold as a pack of 10. Fits:All modelsAdditional...$28.88 -
Out of stock
V-Twin - 37-0357 - Hexagon Nuts No. 4-36 x 3/32 inch x 1/4 inch
Colony Machine
$28.88V-Twin - 37-0357 - Hexagon Nuts No. 4-36 x 3/32 inch x 1/4 inchDescriptionReplica parkerized hexagon nuts measure No. 4-36 x 3/32" x 1/4" long.Sold as a pack of 10. Fits:All modelsAdditional...$28.88 -
Out of stock
V-Twin - 37-0356 - Hexagon Nuts No. 4-48 x 3/32 inch x 1/4 inch
Colony Machine
$28.88V-Twin - 37-0356 - Hexagon Nuts No. 4-48 x 3/32 inch x 1/4 inchDescriptionReplica parkerized hexagon nuts measure No. 4-48 x 3/32" x 1/4" long, Nataional Fine.Sold as a pack of 10. Fits:All...$28.88 -
Out of stock
V-Twin - 37-0355 - 5/16 inch Special Lock Washer
Colony Machine
$28.88V-Twin - 37-0355 - 5/16 inch Special Lock WasherDescriptionReplica parkerized special lock washers measure 5/16".Sold as a pack of 5. Fits:All modelsAdditional Information OEM No.7410 UOM5 - PK ...$28.88 -
Out of stock
V-Twin - 37-0354 - No. 8 x 1/2 inch External-Internal Tooth Shakeproof Lock Was
Colony Machine
$28.88V-Twin - 37-0354 - No. 8 x 1/2 inch External-Internal Tooth Shakeproof Lock WasDescriptionReplica parkerized external-internal tooth shakeproof lock washers measure No. 8 x 1/2".Sold as a pack of 5...$28.88
Colony Machine – Harley Davidson Hardware Kits, Fasteners & Restoration Components
Colony Machine has been a leading supplier of Harley Davidson hardware and fastener kits for decades, earning a strong reputation among builders, mechanics and restoration experts. Every component is produced with strict quality control, offering precise fitment that replicates or improves upon original factory hardware. Their large catalog includes bolt assortments, acorn nuts, engine studs, brake hardware, pulley mount kits and many other Harley specific fasteners, making them a top choice for riders who want dependable components that install easily and stand up to long term use.
The brand supports a wide range of Harley platforms including Twin Cam, Milwaukee Eight, Sportster, Shovelhead, Panhead, Evolution and classic K model engines. Popular offerings include primary cover bolt kits, rocker cover bolts, rear pulley hardware, exhaust stud and nut sets, magnetic oil tank drain plugs, gas tank mount kits and head bolt sets. Riders can choose from chrome, cadmium or parkerized finishes to match a period correct restoration or upgrade to a cleaner, more polished look. Their consistent sizing and machining accuracy make them a trusted option for avoiding alignment issues and ensuring proper torque across all components.
Colony Machine products are especially valuable for restoration, repair, and long term maintenance because they remove the uncertainty that comes with old or mismatched hardware. Their emphasis on material strength, thread precision, and manufacturing consistency ensures secure installation whether you are rebuilding a Shovelhead top end, replacing a Sportster rocker shaft plug or updating a touring bike primary cover. With thousands of Harley dedicated fasteners available, Colony remains one of the most reliable sources for high quality hardware that keeps motorcycles running strong and looking factory correct.