Hard-to-Find Fastener, 014973153366, 1/4"-20 Steel Coarse Thread Slotted Headless Set Screws (for Door Knobs), 1/4-20, Piece-20
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- Diameter: 1/4", Thread Type: 20 (Coarse), Head Style: Headless (Slotted), Material: Steel
- Coarse‐thread design delivers superior grip in softer metals, wood, and composite materials
- Headless form allows fully recessed installation for a clean, flush, and tamper‐resistant finish
- Slotted drive style offers easy adjustment and tightening with common flat‐blade tools
- Heavy‐duty steel construction provides strong, reliable holding power for mechanical and hardware applications
- Ideal for securing pulleys, collars, knobs, and components where precise, concealed fastening is required
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Estimated shipping
Select a product to estimate shipping.The 1/4-20 Set Screws (for Door Knobs) from Midwest are crafted from heavy-duty steel to provide strong and reliable holding power for a variety of mechanical and hardware applications. Featuring a coarse-thread design, these screws deliver superior grip in softer metals, wood, and composite materials. Their headless form allows for fully recessed installation, ensuring a clean, flush, and tamper-resistant finish. Designed with a slotted drive style, these set screws offer easy adjustment and tightening using common flat-blade tools. They are ideal for securing pulleys, collars, knobs, and other components where precise and concealed fastening is essential. This makes them a dependable choice for industries and scenarios that require durable and discreet fastening solutions.
Hard-To-Find Fastener
We stock a wide variety of fasteners ideal for many applications around the home, farm, business, or automotive industries. Most of our fasteners have a light zinc plating over steel giving a more rust resistant finish. We also sell coated and stainless products for additional rust resistance. We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications. Be certain to test thoroughly and consult a licensed builder or engineer before relying on these fasteners for any situations where failure would result in damage to property or person.
Anchors
Hard-to-Find Fastener carries a wide variety of anchors for use in masonry, drywall, wood, and other applications
Hex Bolts
Hard-to-Find Fastener carries hex bolts in A307, Grade 5, Grade 8, Metric 8.8, and Metric 10.9, in zinc, galvanized, and stainless steel finishes
Carriage Bolts
Hard-to-Find Fastener carries carriage bolts in A307 and Grade 5 in zinc, galvanized and stainless finishes
Machine Screws
Hard-to-Find Fastener carries flat head, hex head, pan head, and many other machine screws in metric and standard sizes in zinc and stainless steel finishes
Hex Nuts
Hard-to-Find Fastener carries a wide variety of hex nuts in metric and standard sizes for any application in zinc, galvanized, and stainless steel finishes
Washers
Hard-to-Find Fastener carries a wide variety of washers in metric, standard, USS, and SAE sizes in zinc, galvanized, and stainless steel finishes
Sheet Metal Screws
Hard-to-Find Fastener carries a wide variety of sheet metal screws in hex, pan, flat, painted, and other heads in zinc and stainless steel finishes.
Wood Screws
Hard-to-Find Fastener carries wood screws in phillips, square, and star drive for interior and exterior applications
Specialty
Hard-to-Find Fastener carries a wide variety of specialty products including hitch pins, cotter pins, tension pins, hanger bolts, spacers, furniture connector bolts and many more specialty items.
Product details










| Main Specification | |
|---|---|
| Metal Type | Zinc or Steel or Low Carbon Steel |
| Manufacturer | Hard-To-Find Fastener |
| Unit Count | 20 Count |
| Item dimensions L x W x H | 2.5 X 1.44 X 1.25 Inches |
| Exterior Finish | Zinc |
| Head Style | Slotted |
| Thread Coverage | Fully Threaded |
| Outside Diameter | 0.25 Inches |
| Brand | Hard-To-Find Fastener |
| Head Type | Flat |
| UPC | 738287661613 |
| Number of Items | 1 |
| Fastener Type | Set Screw |
| Item Diameter | 0.25 Inches |
| Fastener Size | 1/4-20 x 1/2 |
| Thread Size | 1/4"-20 |
| Material | Steel |
| Thread Type | Unc |
| Drive System | Slotted |
| Global Trade Identification Number | 00738287661613 |
| Item Weight | 0.27 g |
| Product information | |
| Set Name | 1/4"-20 Steel Coarse Thread Slotted Headless Set Screws (20 Piece) |
| Technical Details | |
| Part Number | HSSS-114-20 |
| Model | 014973153366 |
| Material Type | Steel |
| Thread Style | Right Hand |
| Thread Class | Coarse |
| Compatible groove diameter | 0.25 Inches |
| Set Screw Thread Type | Unc |
| Style | |
| Finish Types | Zinc Plating |
| Measurements | |
| Item Dimensions | 2.5 x 1.44 x 1.25 inches |
| Others | |
| Product Type | Set Screws |
| Size Name | 1/4-20-Inch |
| Screw Head Style | Slotted |
| Screw Point Style | Rolled Point |

