| Stud size | 4-40 |
|---|---|
| Thread diameter | 0.112 |
| Threads per inch / pitch | 40 |
| Flange | Mini-Flanged |
| Length | 1″ |
| Material | Mild Steel (1010-MS) |
Price range: $0.05807 through $1.05405
4-40 CD Weld Stud
Engineered for speed, precision, and a clean finish, our Capacitor Discharge (CD) Weld Studs are the ideal solution for applications where appearance and material integrity matter. Designed for rapid, low-heat fastening, these studs minimize backside marking and distortion — making them perfect for thin-gauge metals, coated surfaces, and cosmetic assemblies.
Manufactured to exacting standards, each stud ensures consistent weld quality and dependable strength. Whether you’re working in electrical enclosures, HVAC systems, signage, or automotive fabrication, our CD weld studs offer a reliable fastening solution that saves time without compromising on performance.
Key Benefits:
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Fast, one-step weld process — no holes, no prep
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Minimal heat distortion — ideal for thin or sensitive materials
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Clean, flush finish on the reverse side
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Compatible with standard CD welding equipment
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Available in multiple materials and thread sizes
Dependable, efficient, and made for precision — our CD weld studs help you get the job done right, every time.
All part numbers for 4-40 CD Weld Stud (49)
| Part # | Description |
|---|---|
| 2-CDA200049 | 4-40 X 1/2 CDFLAL |
| 2-CDA200065 | 4-40 X 3/8 CDFLAL |
| 2-CDA200068 | 4-40 X 1-1/2 CDFLAL |
| 2-CDA200072 | 4-40 X 1 CDFLAL |
| 2-CDA200092 | 4-40 X 1/4 CDFLAL |
| 2-CDA200122 | 4-40 X 3/4 CDFLAL |
| 2-CDM200006 | 4-40 X 3/8 CDFLMS |
| 2-CDM200017 | 4-40 X 5/8 CDFLMS |
| 2-CDM200035 | 4-40 X 1-1/2 CDFLMS |
| 2-CDM200040 | 4-40 X 1/2 CDFLMS |
| 2-CDM200049 | 4-40 X 3/4 CDFLMS |
| 2-CDM200055 | 4-40 X 3/4 CDNFMS |
| 2-CDM200056 | 4-40 X 1/2 CDNFMS |
| 2-CDM200072 | 4-40 X 5/16 CDNFMS |
| 2-CDM200073 | 4-40 X 5/8 CDNFMS |
| 2-CDM200074 | 4-40 X 1 CDNFMS |
| 2-CDM200079 | 4-40 X 3/8 CDNFMS |
| 2-CDM200104 | 4-40 X 3/8 CDMFMS |
| 2-CDM200299 | 4-40 X 5/8 CDMFMS |
| 2-CDM400001 | 4-40 X 1 CDFLMS |
| 2-CDM400006 | 4-40 X 1/2 CDMFMS |
| 2-CDM400009 | 4-40 X 1/4 CDFLMS |
| 2-CDM400010 | 4-40 X 3/4 CDMFMS |
| 2-CDM400018 | 4-40 X 1-1/4 CDFLMS |
| 2-CDM400019 | 4-40 X 1 CDMFMS |
| 2-CDM400026 | 4-40 X 7/8 CDFLMS |
| 2-CDM400040 | 4-40 X 1/4 CDMFMS |
| 2-CDS200076 | 4-40 X 1/2 CDNFSS |
| 2-CDS200082 | 4-40 X 3/4 CDFLSS |
| 2-CDS200099 | 4-40 X 3/8 CDNFSS |
| 2-CDS200102 | 4-40 X 1/2 CDMFSS |
| 2-CDS200122 | 4-40 X 5/16 CDFLSS |
| 2-CDS200261 | 4-40 X 3/8 CDMFSS |
| 2-CDS200290 | 4-40 X 7/8 CDNFSS |
| 2-CDS200312 | 4-40 X 5/16 CDNFSS |
| 2-CDS400044 | 4-40 X 1-1/4 CDFLSS |
| 2-CDS400045 | 4-40 X 1/2 CDFLSS |
| 2-CDS400046 | 4-40 X 3/8 CDFLSS |
| 2-CDS400047 | 4-40 X 7/8 CDMFSS |
| 2-CDS400050 | 4-40 X 5/8 CDFLSS |
| 2-CDS400051 | 4-40, flanged, 1″, stainless steel 302 |
| 2-CDS400053 | 4-40 X 1/4 CDFLSS |
| 2-CDS400063 | 4-40 X 2 CDFLSS |
| 2-CDS400065 | 4-40 X 1 CDNFSS |
| 2-CDS400068 | 4-40 X 3/4 CDMFSS |
| 2-CDS400070 | 4-40 X 3/4 CDNFSS |
| 2-CDS500039 | 4-40 X 7/8 CDFLSS |
| 2-CDS500060 | 4-40 X 5/8 CDNFSS |
| 2-CDS500061 | 4-40 X 1 CDMFSS |
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