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Bommer LB4312C-350 Series 5/8" Radius Steel
Full Mortise 3-1/2" x 3-1/2"
Contract Grade Lube Bearing
5/8" Radius Corners
ANSI K81071F
Single Acting Spring Hinges

Lube Bearing LB4300C Series Contract Grade - Patent # 6,460,220

LB4312C Steel - Full Mortise - ANSI K81071F

  • UL Listed For Fire Door Applications
  • Non Handed
  • Steel Material
  • Self Lubricating Bearings
  • Easily Adjustable Spring Tension
  • ANSI Templated Screw Hole Pattern
  • Pivot Point Aligns with Residential Butt Hinges Gauge .085 to .109


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Bhma 600 (Box Of 2) Bommer Lb4312C-350-600 Steel 3-1/2" X 3-1/2" Hinge In Primed Finish Bhma 600 (Box Of 2) Bommer Lb4312C-350-600 Steel 3-1/2" X 3-1/2" Hinge In Primed Finish Usually Ships in 24 Hours
List Price: $155.66
Sale Price: $102.00
Savings: $53.66
Bhma 633 (Box Of 2) Bommer Lb4312C-350-633 Steel 3-1/2" X 3-1/2" Hinge In Satin Brass Plated, Clear Coated Finish Bhma 633 (Box Of 2) Bommer Lb4312C-350-633 Steel 3-1/2" X 3-1/2" Hinge In Satin Brass Plated, Clear Coated Finish Usually Ships in 24 Hours
List Price: $160.36
Sale Price: $102.00
Savings: $58.36
Bhma 652 (Box Of 2) Bommer Lb4312C-350-652 Steel 3-1/2" X 3-1/2" Hinge In Satin Chromium Plated Finish Bhma 652 (Box Of 2) Bommer Lb4312C-350-652 Steel 3-1/2" X 3-1/2" Hinge In Satin Chromium Plated Finish Usually Ships in 24 Hours
List Price: $172.38
Sale Price: $102.00
Savings: $70.38