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Magna-Grip® Collars and Bolts
In applications where a wide grip range is required and a flush pin break to the collar is beneficial, Magna-Grip lockbolt and collars are ideal fastener for the task. Magna-Grip’s wide grip range can replace up to 4 traditional HuckBolts. Like all engineered fasteners, Magna-Grip offers a high level of vibration resistance possible. Magna-Grip installs reliably and consistently provides high, uniform installed values.
Magna-Grip® Lock Bolts
| Flange Type | Steel Zinc Gold Part No. | Alum Part No. | Diameter | F | G | H | J | K |
| Standard | MGCR6U | MGCF6 | 3/16 | .307-.313 | .189-.195 | .265-.285 | .040-.052 | .365-.385 |
| Standard | MGCR8U | MGCF8 | 1/4 | .399-.405 | .250-.260 | .360-.390 | .055-.070 | .480-.520 |
| Standard | MGCR10U | MGCF10 | 5/16 | .501-.509 | .312-.320 | .430-.446 | .069-.086 | .605-.645 |
| Standard | MGCR12U | MGCF12 | 3/8 | .603-.611 | .376-.384 | .490-.520 | .086-.100 | .730-770 |
| Medium | MGCSR6U | MGCSF6 | 3/16 | .308-.315 | .189-.195 | .290-.320 | .085-.115 | .495-.535 |
| Medium | MGCSR8U | n/a | 1/4 | .399-.405 | .250-.260 | |||
| Wide | MGCWR6U | MGCWF6 | 3/16 | .307-.314 | .189-.195 | .290-.320 | .090-.115 | .640-.754 |
| Wide | MGCWR8U | MGCWF8 | 1/4 | .399-.405 | .250-.260 | .432-.462 | .115-.145 | .855-1.00 |
Grade 2 fastener that resists loosening. Widely known as the most reliable wide grip fastening system there is, the HUCK Magna-Grip fastener also provides vibration resistance and high uniform installed values.
BUTTON HEAD DIMENSIONAL DATA
| Steel Part No. | Alum Part No. | Diameter | Grip Range | Hole Size Max | A | B | C | D +.025 -.000 |
| MGPBR610G | MGPBE610 | 3/16 | .062 - .625 | 0.203 | .183-.187 | .356-.394 | .113-.125 | 1.788 |
| MGPBR620G | MGPBE620 | 3/16 | .312 - 1.250 | 0.203 | .183-.187 | .356-.394 | .113-.125 | 2.37 |
| MGPBR810G | MGPBE810 | 1/4 | .062 - .625 | 0.265 | .245-.249 | .475-.525 | .136-.152 | 1.965 |
| MGPBR820G | MGPBE820 | 1/4 | .312 - 1.250 | 0.265 | .245-.249 | .475-.525 | .136-.152 | 2.56 |
| MGPBR1012G | MGPBE102 | 5/16 | .125 - .750 | 0.328 | .307-.311 | .594-.656 | .181-.201 | 2.34 |
| MGPBR1022G | MGPBE1022 | 5/16 | .625 - 1.375 | 0.328 | .307-.311 | .594-.656 | .181-.201 | 2.84 |
| MGPBR1214G | MGPBE1214 | 3/8 | .125 - .875 | 0.39 | .369-.375 | .713-.787 | .223-.248 | 2.875 |
| MGPBR1226G | MGPBE1226 | 3/8 | .812 - 1.625 | 0.39 | .369-.375 | .713-.787 | .223-.248 | 3.5 |
| Steel Part No | Alum Part No | Diameter | Grip Range | Hole Size Max | A | B | C | D +.025 -.000 |
| MGPTR810G | MGPTE810 | 1/4 | .062 - .625 | 0.265 | .245-.249 | .531-.594 | .103-.115 | 1.965 |
| MGPTR820G | MGPTE820 | 1/4 | .312 - 1.250 | 0.265 | .245-.249 | .531-.594 | .103-.115 | 2.56 |
| MGPTR1012G | MGPTE1012 | 5/16 | .125 - .750 | 0.328 | .307-.311 | .703-.797 | .127-.141 | 2.34 |
| MGPTR1022G | MGPTE1022 | 5/16 | .625 - 1.375 | 0.328 | .307-.311 | .703-.797 | .127-.141 | 2.84 |
| MGPTR1214G | MGPTE1214 | 3/8 | .125 - .875 | 0.39 | .369-.375 | .828-.922 | .152-.168 | 2.875 |
| MGPTR1226G | MGPTE1226 | 3/8 | .812 - 1.625 | 0.39 | .369-.375 | .828-.922 | .190-.200 | 3.5 |
BROAD TRUSS HEAD DIMENSIONAL DATA
| Steel Part No | Alum Part No | Diameter | Grip Range | Hole Size Max | A | B | C | D +.025 -.000 |
| MGP30R810G | MGP30E810 | 1/4 | .062 - .625 | 0.265 | .245-.249 | ** | .138-.162 | 1.965 |
| MGP30R824G | MGP30E824 | 1/4 | .625 - 1.50 | 0.265 | .245-.249 | ** | .138-.162 | 2.81 |
| MGP30R1224G | MGP30E1224 | 3/8 | .625 - 1.50 | 0.39 | .369-.375 | 1.188-1.250 | .188-.212 | 3.375 |
| MGP30R1232G | MGP30E1232 | 3/8 | 1.125 - 2.00 | 0.39 | .369-.375 | 1.188-1.250 | .188-.212 | 3.875 |
| ** Steel .937 Aluminum 1.063 | ||||||||
90 ° FLUSH HEAD DIMENSIONAL DATA
| Steel Part No | Alum Part No | Diameter | Grip Range | Hole Size Max | A | B | C | D +.025 -.000 |
| MGP90R610G | MGP90E610 | 3/16 | .062 - .625 | 0.203 | .183-.187 | .323-.359 | .092-.102 | 1.788 |
| MGP90R620G | MGP90E620 | 3/16 | .312 -1.250 | 0.203 | .183-.187 | .323-.359 | .076-.087 | 2.37 |
| MGP90R810G | MGP90E810 | 1/4 | .062 -.625 | 0.265 | .245-.249 | .433-.478 | .119-.128 | 1.965 |
| MGP90R820G | MGP90E820 | 1/4 | .312 -1.250 | 0.265 | .245-.249 | .433-.478 | .102-.115 | 2.56 |
| MGP90R1012G | MGP90E1012 | 5/16 | .125 -.750 | 0.328 | .307-.311 | .542-.594 | .149-.162 | 2.34 |
| MGP90R1022G | MGP90E1022 | 5/16 | .625 -1.375 | 0.328 | .307-.311 | .542-.594 | .129-.142 | 2.84 |
| MGP90R1214G | MGP90E1214 | 3/8 | .250 -.875 | 0.39 | .369-.375 | .651-.714 | .178-.195 | 2.875 |
| MGP90R1226G | MGP90E1226 | 3/8 | .812 -1.625 | 0.39 | .369-.375 | .651-.714 | .153-.170 | 3.5 |
| 1 "d" dimension is not applicable to short grip parts | ||||||||
| Steel Part No | Aluminum Part No | Diameter | Hole Size | |||||
| Grip Range | max | A | B | C | D +.025 -.000 | |||
| MGP98TR610G | MGP98TE610 | 3/16 | .062 - .625 | .203 | .183-.187 | .450-.488 | .91-.105 | 1.801 |
| MGP98TR620G | MGP98TE620 | 3/16 | .312 - 1.250 | .203 | .183-.187 | .450-.488 | .91-.105 | 2.383 |