0.001 Oversize Dowel Pins

0.001 oversize dowel pins are precision locating pins manufactured with an outside diameter that is 0.001 inch larger than the corresponding standard nominal size. They are commonly selected when repairing worn locating holes, restoring alignment, or accommodating applications where an oversize precision locating pin is specified. These pins help maintain accurate positioning of mating components in industrial machinery, tooling, fixtures, dies, molds, and OEM equipment.

Oversize dowel pins are frequently used during equipment rebuilding, machine maintenance, fixture repair, and precision assembly operations where a standard-size dowel pin no longer provides the required fit. Typical applications include locating machine components, aligning fixtures, positioning dies, securing tooling, indexing assemblies, and maintaining repeatable alignment between mating parts.

Proper pin selection should consider the required oversize diameter, overall length, receiving hole dimensions, fit requirements, mating materials, and assembly method. Individual product pages provide verified pin diameter, overall length, and other engineering dimensions where available to assist engineers and purchasing professionals in selecting the correct locating pin.

Cold Headers supplies 0.001 oversize dowel pins in a broad range of inch diameters and lengths, including standard and difficult-to-source configurations. Our catalog is organized to simplify exact-size sourcing while providing verified engineering information for demanding industrial applications.

Why Choose 0.001 Oversize Dowel Pins?

  • 0.001 inch oversize diameter: Designed for applications requiring an oversize precision locating pin.
  • Precision alignment: Commonly used to locate and position mating machine components.
  • Repair applications: Frequently selected when rebuilding equipment or servicing worn locating holes.
  • Industrial versatility: Used in tooling, fixtures, molds, dies, machinery, and OEM assemblies.
  • Verified engineering dimensions: Product pages provide diameter, length, and additional dimensional information where available.

Selecting the Correct Oversize Dowel Pin

Begin by confirming the required oversize diameter and overall pin length. Review the receiving hole dimensions, required fit, mating materials, installation method, and service requirements before selecting a dowel pin. Final product selection should reflect the alignment accuracy and functional requirements of the completed assembly.

Cold Headers Inc. has supplied specialty industrial fasteners since 1962. Our catalog helps engineers, distributors, maintenance teams, and purchasing professionals locate exact sizes, uncommon lengths, and difficult-to-find oversize dowel pins without unsupported inventory claims.

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

Request Information Search by Specification
Unit of Measure
Items
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1/8 x 3/8 0.001 Oversize Dowel Pin
List Price (per 100 pieces) $13.00
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1/8 x 1/2 0.001 Oversize Dowel Pin
List Price (per 100 pieces) $14.00
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1/8 x 5/8 0.001 Oversize Dowel Pin
List Price (per 100 pieces) $15.00
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1/8 x 3/4 0.001 Oversize Dowel Pin
List Price (per 100 pieces) $16.00
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1/8 x 7/8 0.001 Oversize Dowel Pin
List Price (per 100 pieces) $17.00
Description N/A

1/8 x 3/8 0.001 Oversize Dowel Pin is a heat treated steel locating pin for recovering a worn or loosened dowel fit. Re-ream the worn hole clean and true; the additional 0.001 in. of pin diameter restores the interference a standard pin can no longer provide.

Typical uses include die repair and rebuilds where existing dowel locations must stay aligned. Review the nominal diameter, actual oversize diameter range, length tolerance, end style, material, and ASME series before substituting a standard pin.

Cold Headers has supplied specialty fasteners since 1962 and helps buyers identify exact-size dowel pins for repair work. Standard series dowel pins are the initial-installation choice; 0.001 oversize dowels are the repair option when the fit has opened up.

Technical Highlights

  • Diameter: 0.1260-0.1262 in.
  • Length: 3/8 in. (+/-0.010 in.)
  • Series: Oversize (+0.001 in. over nominal, replacement use)
  • Hardness: Surface Rc 60 min., Core Rc 47-58
  • Ends: One chamfered, one crowned
  • Material: Heat Treated Steel
  • Dimensional Standard: ASME B18.8.2, Oversize Series

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

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For repair work where a standard dowel no longer holds properly, the 1/8 x 1/2 0.001 Oversize Dowel Pin provides the B18.8.2 oversize option. The repair process should leave the hole round, straight, and clean so the oversize pin can recover location without changing the nominal pin family.

Worn fixture holes can use this series when the standard dowel fit has opened up during repeated setup work. Review the nominal diameter, actual oversize diameter range, length tolerance, end style, material, and ASME series before substituting a standard pin.

Cold Headers supports industrial distributors, tooling teams, and maintenance buyers with hard-to-find dowel sizes and lengths. For published shear ratings, see Heat Treated Steel Standard Dowel Pins instead of transferring those values to this oversize repair family.

Technical Highlights

  • Diameter: 0.1260-0.1262 in.
  • Length: 1/2 in. (+/-0.010 in.)
  • Series: Oversize (+0.001 in. over nominal, replacement use)
  • Hardness: Surface Rc 60 min., Core Rc 47-58
  • Ends: One chamfered, one crowned
  • Material: Heat Treated Steel
  • Dimensional Standard: ASME B18.8.2, Oversize Series

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

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1/8 x 5/8 0.001 Oversize Dowel Pin is built for replacement use when the original reamed hole has lost its grip on a standard pin. Use this pin after the hole has been corrected for shape and alignment, because the oversize diameter is intended to recover fit, not hide poor geometry.

Mold base maintenance often depends on restoring location without changing the original dowel layout. Review the nominal diameter, actual oversize diameter range, length tolerance, end style, material, and ASME series before substituting a standard pin.

For uncommon dowel lengths or exact repair sizes, Cold Headers keeps the catalog focused on the dimensions buyers need to verify.

Technical Highlights

  • Diameter: 0.1260-0.1262 in.
  • Length: 5/8 in. (+/-0.010 in.)
  • Series: Oversize (+0.001 in. over nominal, replacement use)
  • Hardness: Surface Rc 60 min., Core Rc 47-58
  • Ends: One chamfered, one crowned
  • Material: Heat Treated Steel
  • Dimensional Standard: ASME B18.8.2, Oversize Series

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

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When a fixture or die section must stay on its original location, the 1/8 x 3/4 0.001 Oversize Dowel Pin helps restore the press fit at that hole position. The oversize series is useful when the original hole position must remain fixed and the assembly still needs a press-fit locating pin.

Machine rebuilds use oversize dowels where hole positions must not move but the old fit no longer holds. Review the nominal diameter, actual oversize diameter range, length tolerance, end style, material, and ASME series before substituting a standard pin.

Cold Headers can help source the requested nominal size, oversize series, length, and heat treated steel material for the job.

Technical Highlights

  • Diameter: 0.1260-0.1262 in.
  • Length: 3/4 in. (+/-0.010 in.)
  • Series: Oversize (+0.001 in. over nominal, replacement use)
  • Hardness: Surface Rc 60 min., Core Rc 47-58
  • Ends: One chamfered, one crowned
  • Material: Heat Treated Steel
  • Dimensional Standard: ASME B18.8.2, Oversize Series

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

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1/8 x 7/8 0.001 Oversize Dowel Pin gives maintenance teams a repair-series pin ground one thousandth over the nominal diameter. Selection should start with the nominal dowel diameter and required length, then confirm that a +0.001 in. replacement pin is the right repair choice.

After crash repair, a sprung dowel fit may need an oversize pin once the hole has been cleaned and trued. Review the nominal diameter, actual oversize diameter range, length tolerance, end style, material, and ASME series before substituting a standard pin.

Since 1962, Cold Headers has helped maintenance and production teams locate specialty pins for repair and replacement needs. Pull Dowel Pins are the tapped-end option for blind-hole removal and are often reviewed when a trapped pin must be extracted.

Technical Highlights

  • Diameter: 0.1260-0.1262 in.
  • Length: 7/8 in. (+/-0.010 in.)
  • Series: Oversize (+0.001 in. over nominal, replacement use)
  • Hardness: Surface Rc 60 min., Core Rc 47-58
  • Ends: One chamfered, one crowned
  • Material: Heat Treated Steel
  • Dimensional Standard: ASME B18.8.2, Oversize Series

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
Brands N/A Cold Headers, Inc.
Diameter N/A 1/8 in
Length N/A 3/8 in N/A 1/2 in N/A 5/8 in N/A 3/4 in N/A 7/8 in
Material N/A Heat Treated Steel
Quantity N/A 100
Note N/A

Less Than Package Quantity Specified Plus 25%.
Package Type N/A Box