Magna-Bulb

The HUCK MAGNA-BULB™ Blind Fastening System

High strength with a broader bearing surface. The Magna-Bulb fastener creates a broader bearing surface that helps spread the load over more area for a stronger, longer lasting connection.

Specifications

Dia. (No.) Part No. Grip Range Hole Size A nom B max C max D max E min
3/16 (6) MBP-R6-M2 .075 - .110 .191-.201 0.187 0.385 0.101 0.592 1.00
MBP-R6-M3 .087 - .150 .191-.201 0.187 0.385 0.101 0.672 1.00
MBP-R6-M4 .126 - .189 .191-.201 0.187 0.385 0.101 0.695 1.00
MBP-R6-M5 .165 - .228 .191-.201 0.187 0.385 0.101 0.734 1.00
MBP-R6-M6 .205 - .268 .191-.201 0.187 0.385 0.101 0.774 1.00
MBP-R6-M7 .244 - .307 .191-.201 0.187 0.385 0.101 0.813 1.00
MBP-R6-M8 .283 - .347 .191-.201 0.187 0.385 0.101 0.853 1.00
MBP-R6-M9 .323 - .386 .191-.201 0.187 0.385 0.101 0.892 1.00
MBP-R6-M10 .362 - .425 .191-.201 0.187 0.385 0.101 0.931 1.00
1/4 (8) MBP-R8-M2 .060 - .138 .261-.272 0.251 0.53 0.125 0.759 1.10
MBP-R8-M3 .110 - .189 .261-.272 0.251 0.53 0.125 0.861 1.10
MBP-R8-M4 .150 - .229 .261-.272 0.251 0.53 0.125 0.94 1.10
MBP-R8-M5 .189 - .268 .261-.272 0.251 0.53 0.125 0.912 1.10
MBP-R8-M6 .229 - .308 .261-.272 0.251 0.53 0.125 0.942 1.10
MBP-R8-M7 .268 - .346 .261-.272 0.251 0.53 0.125 0.981 1.10
MBP-R8-M8 .308 - .387 .261-.272 0.251 0.53 0.125 1.021 1.10
MBP-R8-M9 .346 - .425 .261-.272 0.251 0.53 0.125 1.06 1.10
MBP-R8-M10 .387 - .466 .261-.272 0.251 0.53 0.125 1.10 1.10
MBP-R8-M11 .425 - .504 .261-.272 0.251 0.53 0.125 1.139 1.10
MBP-R8-M12 .466 - .545 .261-.272 0.251 0.53 0.125 1.179 1.10
MBP-R8-M13 .504 - .583 .261-.272 0.251 0.53 0.125 1.218 1.10
5/16 (10) MBP-R10-3 .150 - .250 .328-.340 0.316 0.655 0.152 1.115 1.38
MBP-R10-4 .200 - .300 .328-.340 0.316 0.655 0.152 1.165 1.38
MBP-R10-5 .250 - .350 .328-.340 0.316 0.655 0.152 1.215 1.38
MBP-R10-6 .300 - .400 .328-.340 0.316 0.655 0.152 1.265 1.38
MBP-R10-7 .350 - .450 .328-.340 0.316 0.655 0.152 1.315 1.38
MBP-R10-8 .400 - .500 .328-.340 0.316 0.655 0.152 1.365 1.38
MBP-R10-9 .450 - .550 .328-.340 0.316 0.655 0.152 1.415 1.38
MBP-R10-10 .500 - .600 .328-.340 0.316 0.655 0.152 1.465 1.38


Specifications—Clearance

Dia. Part No. Grip Range E max
1/4 MBCP-R8-M2 .060-.138 0.58
MBCP-R8-M3 .110-.189 0.627
MBCP-R8-M5 .189-.268 0.706
MBCP-R8-M7 .268-.346 0.785
MBCP-R8-M8 .308-.387 0.825
MBCP-R8-M9 .346-.425 0.864
MBCP-R8-M11 .425-.504 0.943
MBCP-R8-M13 .504-.583 1.022


Typical Installed Values in Nominal Grip (lbs.)

Dia. Shear Tensile Pin Retention
3/16 1700 1050 150
1/4 3500 1900 300
1/4 (clearance) 3000 1600 300
5/16 5000 2960 450


Material and Finish

Material Finish
Sleeve Steel Zinc Plated Gold Chromate
Pin Steel Zinc Plated Gold Chromate


Installation Tooling

Dia. Installation Tool Nose Assembly Type Use
3/16 229 99-3300 Pneudraulic Production
230 99-3300 Pneudraulic Maintenance & Repair
2025 99-3300 Pneudraulic Maintenance & Repair
2025 99-3300 Pneudraulic Maintenance & Repair
2015 125154 (Insert, included with tool) Pneudraulic Prod. or Maint. & Repair
202 99-3303 Pneudraulic Production
212 99-3300 99-3303 Pneudraulic Production
2480 99-3300 99-3303 Hydraulic Production
1/4 229 99-3301 Pneudraulic Production
230 99-3301 Pneudraulic Maintenance & Repair
2025 99-3301 Pneudraulic Maintenance & Repair
202 99-3301 Pneudraulic Prod. or Maint. & Repair
212 99-3301 99-3305 Pneudraulic Production
2480 99-3301 99-3305 Hydraulic Production
5/16 246 99-3307 Pneudraulic Production
2580 99-3307 Hydraulic Production