NGP 613DKB 1/4" Saddle Thresho...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$85.05
$67.35
NGP 613DKB 1/4" Saddle Threshold, Dark Bronze Finish

NGP 613DKB 1/4" Saddle Threshold with Dark Bronze Finish - 6" Wide Commercial Grade

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Model: 613DKB 36

In Stock (leaves warehouse same day if ordered before 3pm ET)

$85.05
$67.35
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NGP 1/4" Saddle Threshold with Dark Bronze Finish - 6" Wide Commercial Grade

Professional Door Threshold Solution for Commercial Applications

The NGP 1/4" Saddle Threshold delivers commercial-grade performance with aluminum alloy 6063, T5 temper construction. Measuring 6" wide x 1/4" tall with a fluted top design, this threshold is BHMA certified to ANSI/BHMA A156.21 with 1,000 lb. load test rating. The dark bronze finish provides durability and aesthetic appeal for professional installations.

Professional Features & Benefits

  • Precise Dimensions: 6" wide x 1/4" tall profile designed for standard door applications with optimal clearance.
  • Heavy-Duty Load Rating: BHMA certified to ANSI/BHMA A156.21 with 1,000 lb. load test for reliable performance in high-traffic areas.
  • Premium Construction: Aluminum alloy 6063, T5 temper provides exceptional strength and corrosion resistance for long-term durability.
  • Fluted Top Design: Textured surface enhances traction and safety while maintaining professional appearance.
  • Complete Installation Package: Includes #10 x 1-1/2" FH zinc plated wood screws for secure mounting.
  • Lightweight Efficiency: .88 lbs./ft. weight with .125" typical wall thickness for easy handling and installation.
  • Optional Safety Enhancement: SIA - Slip Resistant Finish available for hazardous conditions where safety is a priority.

Technical Specifications

  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Product Category: Door Trim and Accessories
  • Product Group: Door Trim and Accessories
  • Product Subgroup: Door Thresholds
  • Product Type: Thresholds - Saddle
  • Series: Saddle Threshold Series
  • Subcategory: Thresholds

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose NGP Quality?

NGP threshold products deliver professional-grade reliability with aluminum alloy 6063, T5 temper construction rated for 1,000 lb. load capacity. BHMA certification to ANSI/BHMA A156.21 ensures compliance with industry standards for demanding commercial applications. Engineered for dependable performance where structural integrity and safety are essential.

Manufacturer Resources

NGP Threshold Catalog

Product Specs

Product Group:
Door Trim and Accessories
Series:
Saddle Threshold Series
Product Subgroup:
Door Thresholds
Product Type:
Thresholds - Saddle
Subcategory:
Thresholds
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

NGP 613DKB 36 – Frequently Asked Questions

1) Will a 1/4 inch saddle threshold work under a door that's already hung, or do I need to undercut the door?
The NGP 613DKB rises only 1/4 inch above the floor, so in most cases an existing door can swing over it without being cut. Measure your current undercut: if the gap between the bottom of the door and the finished floor is 1/4 inch or more you are fine. Anything less and the door will drag on the fluted top. The profile is 6 inches wide, so you also need 6 inches of flat floor across the opening to seat it.
2) What lengths does the NGP 613DKB dark bronze threshold come in, and can I cut it down?
Two stock lengths: 36 inches and 72 inches. The 36 inch covers a standard single 36 inch opening, and the 72 inch is the one to buy for a pair of doors or to cut down to an odd width. It's 6063-T5 aluminum with roughly .125 inch typical wall, so it cuts cleanly with a carbide blade or a chop saw.
3) Is a flat saddle threshold the right choice, or do I need a thermal break or bumper seal type?
A saddle like the 613DKB is a flat, bare transition plate: it covers the floor joint and gives a clean walking surface, and the 1/4 inch height keeps it low enough to roll a cart or wheelchair over. What it does not do is seal. If you need weather sealing at an exterior door, you want a threshold with a vinyl or neoprene insert, or you pair this saddle with a separate door bottom sweep. For interior openings, floor transitions, and covering an old threshold cutout, the flat saddle is what you want.
4) What is the closest equivalent to the NGP 613DKB saddle threshold if I need the same 1/4 inch by 6 inch profile from another maker?
The Pemko 272 Series flat saddle threshold is built to the same 1/4 inch high by 6 inch wide aluminum profile, so it drops into the same opening geometry as the NGP 613DKB, which measures 6 inches wide by 1/4 inch tall in aluminum alloy 6063, T5 temper. The Pemko 272 is described as ADA compliant; the NGP 613DKB is BHMA certified to ANSI/BHMA A156.21 with a 1,000 lb. load test rating and has a fluted top surface for traction. If the finish matters, the NGP is supplied in dark bronze.
5) Do I get fasteners with this threshold or do I have to supply my own?
Screws are in the box: #10 x 1-1/2 inch flat head zinc plated wood screws. Those bite into wood subfloor or a wood sill. If you are anchoring into concrete or tile you'll need to supply your own masonry anchors and drill the aluminum to match, since the supplied screws are wood screws only.
6) Will the fluted top be slippery when wet, and is there a better option for a wet entry?
The fluted top is textured to add traction, but for genuinely hazardous wet or oily areas NGP offers a slip resistant finish option, designated SIA, on this saddle series. Specify SIA at the time of order for kitchens, pool decks, loading areas and similar conditions.
7) How does the NGP 613DKB compare to the Pemko 272 saddle threshold?
Both are 1/4 inch by 6 inch heavy duty aluminum flat saddles, so dimensionally they drop into the same opening. The Pemko 272 Series is described as ADA compliant. The NGP 613DKB's distinguishing point is the dark bronze finish, which matches bronze anodized storefront and dark bronze door hardware; the Pemko is the one to look at if you want a mill aluminum look instead.
8) For a high traffic entry where slip resistance is the priority, how does the NGP 613DKB compare with the Pemko 272?
The NGP 613DKB uses a fluted top design that adds traction across the walking surface, and an SIA slip resistant finish is offered as an option for hazardous conditions. The Pemko 272 Series is a flat saddle threshold in the same 1/4 inch by 6 inch aluminum size, so its top face is flat rather than fluted. On a lobby or service entrance that sees wet shoes, the fluted or SIA-finished NGP is the surface-focused choice; the flat Pemko profile suits openings where a smooth transition is preferred.
9) I am standardizing thresholds across a building - can I mix the NGP 613DKB with Cal-Royal saddle thresholds on different doors?
All three are saddle thresholds, so they serve the same role at the sill, but they are not identical parts. The NGP 613DKB is a 6 inch wide by 1/4 inch tall 6063 T5 aluminum saddle in dark bronze, cut in 36 inch and 72 inch lengths. The Cal-Royal CR2000 and CR3700 are separate series with their own profiles, the CR3700 being specified with a 3-hour positive pressure fire rating. For a consistent look across an elevation, keep one series per grouping of doors and reserve the fire rated Cal-Royal series for the labeled openings.
10) Will the dark bronze finish match my existing bronze door hardware across a building?
The 613DKB is a dark bronze finished aluminum saddle, so it reads as a dark bronze transition against dark bronze or bronze anodized frames, closers and exit devices. Because it is a finished extrusion rather than a painted part, it is repeatable from opening to opening, which is what you want when standardizing thresholds across a multi-tenant or campus property. Order the 72 inch length and cut to width for openings that are not a standard 36 inches.
How fast can I get the NGP 613DKB 36 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the NGP 613DKB 36 come with a warranty?
Absolutely. The NGP 613DKB 36 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the NGP 613DKB 36?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the NGP 613DKB 36 from ZenSupply?
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