| Mv | 12/21-4.29 |
|---|---|
| Material | Stainless |
| Measurement | Unified |
| Thread Size | 4-40 |
| Collar Diameter | 1/4 |
| Head Diameter | 1/2 |
| Head Height | 5/8 |
Shop Categories
- Bumpers
- Bushings, Hole Plugs
- Card Guides, Ejectors and Pullers
- Casters, Wheels, Leveling Feet and Mounts
- Circuit Protection
- Connectors
- Electrical
- Electronic
- Fans and Blowers, Thermal
- Fasteners (Bolt, Nut, Screw, Washer and More)
- Bolts - Cap Screws, Hex Machine, Tap Bolts & More
- Commercial Shoulder Screws
- Nuts - Hex, Lock, Machine Screw Nuts & More
- Nuts - Hex, Lock, Machine, Coupling, ACME, Thumb and More
- Panel Screws - Jack/Thumb Screws, Nuts, Receptacles and More
- Pins - Cotter, Dowel, Hitch, Spring Pins, and More
- Precision Shoulder Screws - Slotted / Socket Head
- Screws - Machine Screws, Sems, Weld and More
- Screws - Self Drilling, Tapping, Thread Cutting Cutting, Forming and Rolling
- Screws, Tapping - Thread Cutting, Forming and Rolling
- Socket Cap Screws, Pipe Plugs, Set Screws & Shoulder Screws
- Threaded Rod - Continuous Studs
- Threaded Rod, Ball Screws, Lead Screws - Continuous Studs
- Tooling and Accessories
- Variety (Anchors, Bits, Keys, Retaining Ring)
- Various - Anchors, Bits, Keys, Insulators, Posts, Retaining Rings
- Washers - Flat, Locking, SAE/USS, Machine Screw and More
- Wing Nuts & Screws
- Fasteners (Self Clinching)
- Grommet, Edge Trim and Sealing
- Handles
- Hardware
- Helical, Keenserts, Plastic Press Fits, Swage-Sert, & Wire Threaded Inserts
- Hinges
- Mil-Spec / Aero (AN, MS, NAS)
- Rivet Nuts / Nutserts
- Rivets, Blind & Speed Fasteners
- Slides / Rails
- Sockets, PCB, Edge/Headers
- Spacers & Standoffs
- Terminals, Lugs and Pins
- Wire, Cable Assemblies