• Spirol® Roll Formed Hardened Spring Dowels
Roll formed hardened Spirol® Spring Dowels accurately align mating components with respect to each other. They are formed around arbors to assure roundness, have staggered seams to prevent interlocking, and lead-in beveled chamfers ease insertion. Their outer diameter is larger than the diameter of the mounting hole, and their spring action enables them to conform to a drilled or cored hole and be self-retained.
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Item #

Item Name

Outside Diameter

Nominal Dowel Diameter

Length (L) (Decimal)

N/A Spirol® 0.260 to 0.270 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.260 to 0.270 in N/A 0.250 in N/A 1.500 in1.500 mm
N/A Spirol® 0.323 to 0.333 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.323 to 0.333 in N/A 0.312 in N/A 0.500 in
N/A Spirol® 0.323 to 0.333 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.323 to 0.333 in N/A 0.312 in N/A 0.750 in
N/A Spirol® 0.323 to 0.333 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.323 to 0.333 in N/A 0.312 in N/A 1.000 mm
N/A Spirol® 0.323 to 0.333 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.323 to 0.333 in N/A 0.312 in N/A 1.250 in1.250 mm
N/A Spirol® 0.385 to 0.395 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.385 to 0.395 in N/A 0.375 in N/A 0.500 in
N/A Spirol® 0.385 to 0.395 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.385 to 0.395 in N/A 0.375 in N/A 0.750 in
N/A Spirol® 0.385 to 0.395 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.385 to 0.395 in N/A 0.375 in N/A 1.000 mm
N/A Spirol® 0.385 to 0.395 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.385 to 0.395 in N/A 0.375 in N/A 1.250 in1.250 mm
N/A Spirol® 0.510 to 0.520 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.510 to 0.520 in N/A 0.500 in N/A 0.750 in
N/A Spirol® 0.510 to 0.520 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.510 to 0.520 in N/A 0.500 in N/A 1.000 mm
N/A Spirol® 0.510 to 0.520 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.510 to 0.520 in N/A 0.500 in N/A 1.250 in1.250 mm
N/A Spirol® 0.635 to 0.645 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.635 to 0.645 in N/A 0.625 in N/A 1.000 mm
N/A Spirol® 0.635 to 0.645 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.635 to 0.645 in N/A 0.625 in N/A 1.250 in1.250 mm
N/A Spirol® 0.635 to 0.645 Inch (in) Outside Diameter Roll Formed Hardened Spring Dowel N/A 0.635 to 0.645 in N/A 0.625 in N/A 1.500 in1.500 mm
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