3pcs Adjustable Soft Close Door Hinges | Fire Rated | 7ft | 260 lbs | 1 ¾” Thick | SS304 | K51M-400/450/500D-B3/C3

Material: Stainless Steel 304 Product Dimensions: 4"H x 4"W 4.5"H × 4.5"W 5"H x 5"W Mounting Type: Door Mount – Full Mortise Model's Feature: B3: Fire rated soft closing (DS.HA.SA) D3: Hold open & soft closing (DS.HA.SB) Door Size: 1150mm W x 2200mm H (4ft x 7ft) Door Weight: Min 40 lbs - Max 260 lbs Door Thickness: K51M-400：1 3/4” K51M-450 : 1 3/4” K51M-500D : 1 3/4” - 2 1/4” Unit: 3 pieces Warranty: 3 years TALK TO SALES FIRST - NON REFUNDABLE FEATURES APPLICATIONS DETAILS SPECIFICATIONS ADJUSTMENT Product Description and Features Fully adjustable closing force and speed according to environment needs Numerical adjustment panel on hinge end to set up precise tension Mechanical-only mechanism supporting heavy duty and fully exterior Aesthetically pleasing compared to door closers -- without extrusive arms UL-certified cycle testing ensures many years of low maintenance. Applications Interior Door Exit Door Fire Door Bedroom Door Bathroom Door Livingroom Door Front Door Residential Door Interior & Exterior Use Standard Screw Pattern Installation Kits Both machined #12-24 UNC ½”L and wooden tapping #12 x 1 ¼” screws included -- eight (8) of each type per hinge. Pack contains five (5) spares as well. Three steel adhesive shims for gap adjustment between door and frame as needed Tension Crook: Keeps hinge open during installation 5mm & 3mm hex allen wrenches Specifications Compliance Standards ANSI A156.17 Grade 1 : one million cycle testing ANSI A156.7 Template Hinge : 6” x 6” CSI Spec 08 7100 Door Hardware & 08 7808 Self-closing Hinges ADA Force : opening force no more than 5 lbs ADA Closing Speed: at least 5 sec to move from m 90° to 12° ADA Vertical Clearance: Does not intrude into the doorway as do some overhead closers Code note: Fire-rated doors cannot use hold-open features. Waterson fire-rated soft-close garage door hinges are designed without hold-open, fully compliant with building and fire safety codes. Adjustment Video Check the Full Adjustment Guidance here: English Version Spanish Version