Zinc-Plated Steel Phillips Flat Head Screw
82 Degree Countersink Angle, 1/4"-20 Thread Size, 1" Long







Thread Direction | Right Hand |
Drive Style | Phillips |
Tip Type | Flat |
Thread Size | 1/4"-20 |
Length | 1" |
Countersink Angle | 82° |
Flat Head Profile | Standard |
Head | |
Diameter | 0.477" |
Height | 0.153" |
Threading | Fully Threaded |
Tensile Strength | 60,000 psi |
Specifications Met | ASME B18.6.3 |
Drive Size | No. 3 |
Fastener Head Type | Flat |
Hardness | Rockwell B70 |
Material | Zinc-Plated Steel |
Screw Size Decimal Equivalent | 0.250" |
System of Measurement | Inch |
Thread Fit | Unified Standard Class 2A |
Thread Spacing | Coarse |
Thread Type | UNC |
Country of Origin | China |
DFARS Compliance | Specialty Metals COTS-Exempt |
Export Control Classification Number (ECCN) | EAR99 |
REACH Compliance | REACH (EC 1907/2006) (06/25/2025, 250 SVHC) Compliant |
RoHS Compliance | RoHS 3 (2015/863/EU) Compliant |
Schedule B Number | 731815.9000 |
U.S.–Mexico–Canada Agreement (USMCA) Qualifying | No |
One of the most common drive styles. Phillips drives have a cross-shaped opening in which a driver fits snugly for easy alignment. With four contact points, they withstand more torque than slotted drives, but drivers slip when you apply too much force.
Length is measured from the top of the head.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
Standard Profile—Standard-profile heads are the most common choice for flat head screws.
The information in this 3-D model is provided for reference only.






























