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The Kreg #14 x 4-inch Modified Pan Head Face Frame and Pocket-Hole Screw is sized for joining thick lumber where shorter pocket-hole screws run out of thread engagement. With a fine-thread design, Type 17 Auger point, and square drive, it delivers a controlled, secure joint in hardwood stock and structural members where the joint depth demands a longer fastener.
Most pocket-hole joinery uses screws sized for 3/4-inch or 1-1/2-inch stock. When the stock gets thicker — structural face frame members, doubled-up hardwood, or 2x4 through 2x6 lumber — the joint needs more thread buried in the second member to hold. The 4-inch length bridges that gap, giving the screw enough shank to clear the pocket bore and still thread deep into the receiving piece. Outdoor furniture built from dimensional lumber, heavy cabinet carcasses using thick hardwood sides, or structural benches and workbenches are all situations where this length comes into its own.
Fine thread is the correct choice for hardwood pocket-hole work. It bites cleanly into dense grain without the wedging action that a coarse thread can produce in tight-grained species. The Type 17 Auger point extends the chip-clearing flute beyond a standard Type 17, which matters in longer screws that travel through more wood before the threads engage. The Protec-Kote finish is a three-layer corrosion-protection system rated for exterior pocket-hole applications, including assemblies involving pressure-treated lumber. That makes this screw a practical choice when the joint will live outdoors.
Furniture makers building outdoor benches, dining tables, or Adirondack-style pieces from dimensional pine or cedar often need a longer pocket screw once the stock thickness climbs past an inch and a half. Deck builders and finish carpenters framing heavy built-ins with doubled hardwood rails reach for a 4-inch pocket screw when a 2-1/2-inch version would leave the joint under-threaded. Production cabinet shops running thick-walled hardwood cases will also find this length useful where standard pocket-hole screws fall short. The 75-piece box suits project quantities rather than bulk production runs, making it easy to keep a supply on hand without over-ordering a specialty length.
This length is matched to pocket-hole joints in thick stock — typically 1-1/2-inch lumber (2x material) and heavier — where shorter screws do not provide enough thread engagement in the second member.
Fine thread is the correct specification for hardwood pocket-hole joinery. It grips dense grain cleanly without the splitting risk that a coarse thread can create in tight-grained species like maple, oak, or cherry.
Yes. The Protec-Kote three-layer finish is rated for exterior pocket-hole applications, including use with pressure-treated lumber.
This screw uses a #3 square drive. A correctly sized #3 square bit seats fully in the recess for reliable driving and is compatible with standard Kreg pocket-hole jig setups for thick stock.
Yes, for thick hardwood face frame members. The fine thread and modified pan head are appropriate for hardwood joinery. Confirm the stock thickness and pocket bore depth match the 4-inch length before driving.
When the joint is deeper than a standard pocket-hole screw can reach, the Kreg #14 x 4-inch fine-thread screw fills the gap with the right thread, point, and corrosion protection to hold the assembly together indoors or out.
Sold In: 1 Box
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Box |  KJSML-C4X400-30 Mfr# SML-C4X400-30 | Kreg #14 x 4" Modified Pan Head Face Frame and Pocket-Hole Screw Square Drive - Type 17 Auger Point Fine Thread Protec-Kote, SML-C4X400-30 - 30/Box |