Solutions Inc.
CAGE: 72794
DFCI Solutions Inc.
The original manufacturer of the Quarter-Turn fastener.
Our company has not changed ownership and is still a
Veteran Owned - Small Business.
The Customer is Number One!
DFCI Solutions Inc.
The original manufacturer of the Quarter-Turn fastener.
Our company has not changed ownership and is still a
Veteran Owned - Small Business.
The Customer is Number One!
To order, add up the thickness of the panels being joined together, as shown here. Next, locate the total thickness on the chart.
4639-165 or 4636-15 Oval Head Fastener or
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| Total Material Thickness | Stud Grip | Spring Height |
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Oval Head Part Number (Size 5) |
Oval Head Part Number (Size 65) |
RACEX®-A Oval Head Part Number | Weld Plate Part Number | |||
| .060"-.097" | .400" | .360" | 4639-15-400 | 4639-165-400 | RACEX-A6540-Z3CT | 4639-24945-360 |
| .089"-.122" | .400" | .335" | 4639-15-400 | 4639-165-400 | RACEX-A6540-Z3CT | 4639-24945-335 |
| .114"-.147" | .400" | .310" | 4639-15-400 | 4639-165-400 | RACEX-A6540-Z3CT | 4639-24945-310 |
| .139"-.172" | .400" | .285" | 4639-15-400 | 4639-165-400 | RACEX-A6540-Z3CT | 4639-24945-285 |
| .164"-.197" | .500" | .360" | 4639-15-500 | 4639-165-500 | RACEX-A6550-Z3CT | 4639-24945-360 |
| .189"-.222" | .500" | .335" | 4639-15-500 | 4639-165-500 | RACEX-A6550-Z3CT | 4639-24945-335 |
| .214"-.247" | .550" | .360" | 4639-15-550 | 4639-165-550 | RACEX-A6555-Z3CT | 4639-24945-360 |
| .239"-.272" | .550" | .335" | 4639-15-550 | 4639-165-550 | RACEX-A6555-Z3CT | 4639-24945-335 |
| .264"-.297" | .550" | .310" | 4639-15-550 | 4639-165-550 | RACEX-A6555-Z3CT | 4639-24945-310 |
