
Cup points bite, knurled cups embed serrations, cone points want a dimple drilled for them — every one of those styles holds by altering the shaft. The flat point is the family's diplomat: a flat, hardened face that presses against the mating surface and holds by clamping force spread across the full contact area, leaving the shaft essentially as it found it. That distribution of force is the entire selection logic. Where a pointed style concentrates everything on a tip or rim, the flat point trades a little grip for a lot of mercy — which makes it the right screw for repeated adjustments and repositioning, where a biting point would carve a new divot at every setting, and for hardened shafts, which a cup point can't meaningfully penetrate anyway.
The textbook pairing deserves its own sentence: a flat point bearing against a machined flat on the shaft. Face against face, the connection gets solid rotational holding with no marring at all — the shaft flat does the anti-rotation work, the screw supplies the clamp. Machine designers spec this combination constantly for collars, hubs, pulleys, gears, and adjustment mechanisms that must be set, moved, and set again across years of service. The flat face also makes this the point of choice when the screw is doing duty as a pusher — bearing against a part in an adjustment or alignment mechanism where a pointed tip would gouge what it touches.
Honest boundaries, both directions. Holding power on a plain round shaft is friction-only, so it's below what a cup point delivers — if the assembly is set once and must never move, and the shaft can afford the mark, the cup is the stronger hold. And while the flat point is the gentlest of the hardened styles, hard steel under clamping load can still leave a light witness mark; when the shaft is ground, polished, or coated and the finish is genuinely untouchable, our nylon tip and brass tip set screws exist for exactly that job. Point geometries aren't substitutes — each creates a different contact condition, and the flat point's is the one you pick when the shaft outranks the screw.
Cold Headers supplies alloy steel flat point socket set screws in a wide range of inch thread sizes and lengths, including uncommon and difficult-to-source configurations. Individual product pages list exact thread size, length, hex socket size, and point dimensions. If the size you need isn't shown, there's a good chance we can quote or supply it.
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
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2-56 x 1/16 FPSS Alloy-Steel 2-56 x 1/16 Flat Point Alloy Steel Socket Set Screw List Price (per 100 pieces) $16.00
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2-56 x 1/8 FPSS Alloy-Steel 2-56 x 1/8 Flat Point Alloy Steel Socket Set Screw List Price (per 100 pieces) $15.00
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2-56 x 3/16 FPSS Alloy-Steel 2-56 x 3/16 Flat Point Alloy Steel Socket Set Screw List Price (per 100 pieces) $15.50
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2-56 x 1/4 FPSS Alloy-Steel 2-56 x 1/4 Flat Point Alloy Steel Socket Set Screw List Price (per 100 pieces) $16.00
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2-56 x 5/16 FPSS Alloy-Steel 2-56 x 5/16 Flat Point Alloy Steel Socket Set Screw List Price (per 100 pieces) Call or Email for Pricing
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| Description |
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2-56 x 1/16 Flat Point Alloy Steel Socket Set Screw is for locations where a square bearing face presses against a prepared flat instead of biting into the part. For 2-56 x 1/16, review the flat point around shaft flats, machined seats, and pre-ground contact areas and maintenance repairs, replacement bins, and service drawings. The broad end face suits prepared flats, repeated adjustment, and jobs where unnecessary deformation of the mating component would create service problems. The 2-56 designation supplies the ordering thread form, and the 1/16 in. length should be checked against tapped depth and bearing location. Confirm that the mating feature is flat enough for the end face to seat evenly before changing the point style. Alloy steel keeps the item aligned with industrial mechanical fastening requirements where the print calls for this material and point style. The UNC series and 56 threads per inch are derived from the thread designation. The squared-off end presents a full-bearing face, giving the screw a wider contact patch than pointed styles. Cold Headers can quote this flat point family by exact thread, length, alloy steel material, and bearing-face point style. Technical Highlights
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2-56 x 1/8 Flat Point Alloy Steel Socket Set Screw gives a size-specific alloy steel choice for assemblies that use broad contact at the screw end. For 2-56 x 1/8, review the flat point around tooling details, fixture plates, and locating stops and hardened contact seats, ground pads, and retrofit assemblies. The broad end face suits prepared flats, repeated adjustment, and jobs where unnecessary deformation of the mating component would create service problems. The 2-56 designation supplies the ordering thread form, and the 1/8 in. length should be checked against tapped depth and bearing location. For replacement work, preserve the material and point-style details before comparing this item with other set screws. The material line should be checked together with point style, thread, and length before the order is approved. The UNC series and 56 threads per inch are derived from the thread designation. The flat face is useful for components that may be readjusted, indexed, or removed during service. Cold Headers works with socket fastener requirements where end geometry affects fit and ordering accuracy. Technical Highlights
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2-56 x 3/16 Flat Point Alloy Steel Socket Set Screw is a headless internal-hex fastener for machined flats, ground seats, and repeat-adjustment locations. For 2-56 x 3/16, review the flat point around production equipment, conveyors, and packaging machinery and bearing locations that need flat-face contact instead of penetration. The broad end face suits prepared flats, repeated adjustment, and jobs where unnecessary deformation of the mating component would create service problems. The 2-56 designation supplies the ordering thread form, and the 3/16 in. length should be checked against tapped depth and bearing location. Review the internal hex drive access along with the bearing seat, especially inside compact machinery. Alloy steel is stated here as the catalog material; no unverified finish or numeric mechanical property is added. The UNC series and 56 threads per inch are derived from the thread designation. The broad face can be appropriate where surface condition is more important than creating a deep witness mark. Cold Headers assists maintenance, distributor, and production requests where point style changes the ordered item. Technical Highlights
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2-56 x 1/4 Flat Point Alloy Steel Socket Set Screw keeps the flat point callout visible when the ordered part must not be confused with pointed set screw styles. For 2-56 x 1/4, review the flat point around handles, knobs, collars, and control hardware and industrial assemblies that use a broad bearing face at the screw end. The broad end face suits prepared flats, repeated adjustment, and jobs where unnecessary deformation of the mating component would create service problems. The 2-56 designation supplies the ordering thread form, and the 1/4 in. length should be checked against tapped depth and bearing location. If the screw bears on a shaft flat, verify that the contact location is aligned with the tapped hole. For repair or production work, the alloy steel designation helps distinguish this fastener from material families that serve different environments. The UNC series and 56 threads per inch are derived from the thread designation. Flat point geometry is often reviewed where the screw bears on a machined shaft flat, hardened surface, or ground seat. Cold Headers supports exact-size sourcing when a flat point detail matters to the final order. Technical Highlights
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2-56 x 5/16 Flat Point Alloy Steel Socket Set Screw identifies the exact thread and length for an alloy steel socket set screw with a squared-off contact end. For 2-56 x 5/16, review the flat point around compact equipment where an external screw head would interfere and machine stops, collars, and adjustment screws. The broad end face suits prepared flats, repeated adjustment, and jobs where unnecessary deformation of the mating component would create service problems. The 2-56 designation supplies the ordering thread form, and the 5/16 in. length should be checked against tapped depth and bearing location. Keep the flat point callout intact when comparing older orders, drawings, or service notes. The material identity should remain attached to the set screw family because substitutions can change both ordering and application review. The UNC series and 56 threads per inch are derived from the thread designation. This point style favors bearing contact over penetration, which helps separate it from sharper holding geometries. Cold Headers has supplied specialty socket fasteners since 1962, including set screws for uncommon service requirements. Technical Highlights
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| Brands | N/A Cold Headers, Inc. | |||||||||
| Diameter | N/A 2-56 | |||||||||
| Length | N/A 1/16 in | N/A 1/8 in | N/A 3/16 in | N/A 1/4 in | N/A 5/16 in | |||||
| Material | N/A Alloy Steel | |||||||||
| Quantity | N/A 100 | |||||||||
| Package Type | N/A Box | |||||||||
| Note | N/A Less Than Package Quantity Specified Plus 25%. | |||||||||
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