Steel Binding Head Slotted Screws
Steel, 4-40 Thread Size, 1/4" Long



Thread | |
Size | 4-40 |
Direction | Right Hand |
Spacing | Coarse |
Type | UNC |
Fit | Unified Standard Class 2A |
Tip Type | Flat |
Fastener Head Type | Rounded |
Head | |
Style | Binding |
Profile | Wide |
Height | 0.068" |
Diameter | 0.235" |
Drive Style | Slotted |
Material | Zinc-Plated Steel |
Length | 1/4" |
Threading | Fully Threaded |
Tensile Strength | 60,000 psi |
Specifications Met | ASME B18.6.3 |
Hardness | Rockwell B69 |
Screw Size Decimal Equivalent | 0.112" |
System of Measurement | Inch |
Country of Origin | Canada, China, Germany, India, Italy, Japan, Mexico, Taiwan, Thailand, United States, Vietnam |
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 |
Keep wires and terminals in place with the wide, tapered head. With only two contact points, the slotted drive can't withstand much torque, so it's best to hand-tighten them.
Length is measured from under the head.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
The information in this 3-D model is provided for reference only.

























