Mchenry, Infidel, Otf Auto, Spear

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SKU 3300
brand Benchmade
MPN 3300
UPC 610953123734
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Benchmade BM3300 OTF Auto Infidel, 3.91" D2 SS Plain Blade, Aluminum Handle

The Benchmade 3300 OTF Infidel Auto knife, The design of the Infidel is sleek, stylish and boldly in-your-face. The Infidel features a 3.91 in. D2 tool steel double edge blade. The handle is machined from a block of 6061 T-6 aluminum, which is then anodized black. The back of the handle, which features a removable deep-carry pocket-clip, is smooth. This prevents snagging on your pocket when drawing the knife. The front of the handle has an aggressive, shark-gill style of texturing that ensures a no-slip grip. Both sides of the Infidel have a built-in thumb indent that augments a saber style grip. The blade is opened and closed lightning fast by pushing or pulling the thumb slide. Its unlikely youll do this by accident. The Benchmade Auto OTF Infidels blade is not under constant spring tension, and is opened and retracted by two separate coil springs. When the thumb slide is pushed forward, it compresses the opening spring. The forward travel then releases the blade, which is expelled by the now compressed spring and locked into place by two steel bars that close behind it. The Infidel closes by pulling the thumb slide backward, which creates the opposite effect of the opening process. The thumb slide has to travel approximately 3/4 of an inch and with a meaningful level of thumb pressure to open or close the blade.

  • D2 tool steel double edged blade
  • Anodized T6 aluminum handle
  • Pocket clip for easy carry


Knife Type Automatic Knives  
Brand Benchmade  
Product Name Infidel  
Model # 3300  
Overall Length 8.95 in  
Closed Length 4.80 in  
Blade Length 3.95 in  
Blade Thickness 0.118 in  
Blade Material CPM-D2  
Blade Hardness 58-61 HRC  
Blade Style Double Edge Dagger  
Blade Edge Plain  
Blade Grind Flat  
Blade Finish Satin  
Handle Material Aluminum  
Handle Finish Black  
Handle Thickness 0.59 in  
Opener Thumb Slide  
Clip Position Right Tip - Down  
Weight 5.00 oz  
Origin USA  
Designer McHenry & Williams
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