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. The part number is shown under the head style (oval or flush).
4639-665 Flush Head or RACEX®-F Flush Head Fastener
|
| Total Material Thickness | Stud Grip | Spring Height |
|
|
|
| Flush Head Stud Part Number | RACEX®-F Flush Head Stud Part Number |
1-3/8" Spacing S-Spring Part Number (Size 6) |
|||
| .099"-.132" | .500" | .425" | 4639-665-500 | RACEX-F6550-Z3CT | 4639-196-425 |
| .124"-.157" | .400" | .300" | 4639-665-400 | RACEX-F6540-Z3CT | 4639-196-300 |
| .149"-.182" | .550" | .425" | 4639-665-550 | RACEX-F6555-Z3CT | 4639-196-425 |
| .174"-.207" | .400" | .250" | 4639-665-400 | RACEX-F6540-Z3CT | 4639-196-250 |
| .199"-.232" | .400" | .225" | 4639-665-400 | RACEX-F6540-Z3CT | 4639-196-225 |
| .224"-.257" | .500" | .300" | 4639-665-500 | RACEX-F6550-Z3CT | 4639-196-300 |
| .249"-.282" | .500" | .275" | 4639-665-500 | RACEX-F6550-Z3CT | 4639-196-275 |
| .274"-.307" | .550" | .300" | 4639-665-550 | RACEX-F6555-Z3CT | 4639-196-300 |
| .299"-.332" | .500" | .225" | 4639-665-500 | RACEX-F6550-Z3CT | 4639-196-225 |
| .324"-.357" | .550" | .250" | 4639-665-550 | RACEX-F6555-Z3CT | 4639-196-250 |
| .349"-.382" | .550" | .225" | 4639-665-550 | RACEX-F6555-Z3CT | 4639-196-225 |
| Total Material Thickness | Stud Grip | Spring Height |
|
|
| Flush Head Stud Part Number |
1" Spacing S-Spring Part Number (Size 5) |
|||
| .099"-.132" | .500" | .425" | 4639-65-500 | 4639-195-425 |
| .124"-.157" | .400" | .300" | 4639-65-400 | 4639-195-300 |
| .149"-.182" | .550" | .425" | 4639-65-550 | 4639-195-425 |
| .174"-.207" | .400" | .250" | 4639-65-400 | 4639-195-250 |
| .199"-.232" | .400" | .225" | 4639-65-400 | 4639-195-225 |
| .224"-.257" | .500" | .300" | 4639-65-500 | 4639-195-300 |
| .249"-.282" | .500" | .275" | 4639-65-500 | 4639-195-275 |
| .274"-.307" | .550" | .300" | 4639-65-550 | 4639-195-300 |
| .299:-.332" | .500" | .225" | 4639-65-500 | 4639-195-225 |
| .324"-.357" | .550" | .250" | 4639-65-550 | 4639-195-250 |
| .349"-.382" | .550" | .225" | 4639-65-550 | 4639-195-225 |
| Total Material Thickness | Stud Grip | Spring Height |
|
|
| Flush Head Stud Part Number |
3/4" Spacing S-Spring Part Number (Size 4) |
|||
| .099"-.132" | .500" | .425" | 4639-64-500 | 4639-194-425 |
| .124"-.157" | .400" | .300" | 4639-64-400 | 4639-194-300 |
| .149"-.182" | .550" | .425" | 4639-64-550 | 4639-194-425 |
| .174"-.207" | .400" | .250" | 4639-64-400 | 4639-194-250 |
| .199"-.232" | .400" | .225" | 4639-64-400 | 4639-194-225 |
| .224"-.257" | .500" | .300" | 4639-64-500 | 4639-194-300 |
| .249"-.282" | .500" | .275" | 4639-64-500 | 4639-194-275 |
| .274"-.307" | .550" | .300" | 4639-64-550 | 4639-194-300 |
| .299"-.332" | .500" | .225" | 4639-64-500 | 4639-194-225 |
| .324"-.357" | .550" | .250" | 4639-64-550 | 4639-194-250 |
| .349"-.382" | .550" | .225" | 4639-64-550 | 4639-194-225 |
