5/16" x 2" Fluted Dowel Pin

5/16" x 2" Fluted Dowel Pins — Heavy-Duty Birch Wood Joinery Pegs for Deep Structural Assembly

These 5/16-inch diameter by 2-inch long fluted dowel pins are robust birch wood fasteners engineered for demanding joinery where extra anchoring and load-bearing strength are essential. The precision-cut longitudinal flutes provide superior glue distribution and pressure relief, ensuring a firm, gap-free bond even in thicker boards or furniture frames. Chamfered ends allow for easy insertion by hand or machine, while the tumble-sanded finish eliminates splinters and guarantees a uniform fit—making these dowels a trusted choice for cabinetry, bench-building, shelving, and advanced DIY construction.

Key Features

• 5/16" (7.94 mm) diameter for high-strength connections in thicker components
• 2" (50.8 mm) length supports deep penetrations for maximum holding power
• Longitudinal flutes allow even glue spread, minimizing risk of hydraulic lock or joint starvation
• Tumble-sanded and splinter-free—no additional prep required before glue-up or finishing
• Chamfered (beveled) ends for fast, damage-free installation
• Premium birch stock, selected for strength, glue absorption, and stability in a variety of climates
• Consistently manufactured to tight tolerances for professional production and repeatable kit assembly
• Bulk packaging options (100, 1,000, 12,000) suit shops, schools, and large build runs

Specifications

• Diameter: 5/16" (7.94 mm)
• Length: 2" (50.8 mm)
• Style: Fluted (long grooves)
• Material: Birch hardwood, unfinished
• Finish: Tumble-sanded smooth
• Ends: Chamfered both ends
• Weight: 0.4 lbs per 100 pieces
• Tolerance: ±0.01" (±0.25 mm)
• Available Pack Sizes: 100, 1,000, 12,000; bulk/custom by request

Suggested Uses

These 5/16" x 2" fluted dowels are ideal for deep structural furniture joinery, leg-to-rail assembly, or connecting wide tabletops and heavy panel sections. Their extra length is popular for deep mortise-and-dowel repairs, bookcases, benches, table aprons, and thicker custom cabinetry. In advanced DIY builds, they're used for anchoring stair components or reinforcing wide project frames—where traditional short dowels may lack adequate grip. For unique kit or STEM projects, these dowels can also act as axles, levers, or spacers, leveraging their length and straightness for mechanical applications.

Frequently Asked Questions

• Will these dowels fit a 5/16" drilled hole precisely?
  Yes, they are sized to fit snugly in standard 5/16" holes; the flutes allow for minor compression and glue relief.
• Are both dowel ends beveled for insertion?
  Yes, chamfered on both ends for smooth, clean installation into pre-drilled holes.
• Can they be trimmed to a custom length?
  Absolutely; birch dowels saw easily for custom-fit applications.
• Are these strong enough for load-bearing furniture?
  In properly designed joinery, 5/16" birch dowels offer substantial holding strength for everyday furniture use.
• How much glue should be applied to each joint?
  Apply a thin, even coat inside the hole and/or on the dowel; the flutes manage excess glue and prevent hydraulic lock.
• What’s the difference between fluted and spiral dowels?
  Fluted dowels offer superior glue channeling for large-scale joints; spiral may offer even more wood contact in some light-duty situations.
• Do bulk packs come in sealed bags or cartons?
  Yes, pins are packaged for shop, school, or industrial storage and easy dispensing in volume builds.
• Can these be used in MDF or engineered woods?
  Yes; drill holes accurately and avoid over-gluing to minimize swelling or material split-out.

Count on these 5/16" x 2" fluted birch dowel pins for strong, straight, and lasting joinery in every high-performance woodworking project—ideal for pro shops and ambitious makers alike.