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Knowledgebase: Common Lock Terms
What does 26D, or US3 mean?
Posted by Joe L on 31 August 2010 02:10 PM

These numbers and letter combinations represent lock/hardware finish codes - see table below.
List of Finish Codes/Symbols
U.S.  BHMA Baldwin Description
9 611 n/a Bright Bronze
10 612 100 Satin Bronze
10B 613 102 Oil Rubbed Bronze (Antique Bronze, Oiled)
15 619 150 Satin Nickel Plated
15A 620 151 Antique Nickel
26 625 260 (Bright Chromium Plated) Polished Chrome
26D 626 264 Satin Chrome Plated (or Chromium)
28 628 280 Satin Aluminum
3 605 030 Bright Brass
32 629 320 Bright (polished) Stainless Steel
32D 630 324 Satin Stainless Steel
4 606 040 Satin Brass
5 609 050 Antique Brass 
USP 600   Prime coat paint (Usually grey, but varies)
AL  689   Painted Silver/Aluminum - See AL Below
DURO  695   Painted Dark Bronze/Brown - See DU Below
Lifetime 505 003

Polished Brass Lifetime - various manufacturers offer a limited lifetime warrantyon these finishes. 

Other Codes:

BT Brass Tone (Painted to simulate brass, or dull brass)
AL Aluminum Painted Finish
AB Antique Brass
DU Duronotic Painted Finish (Simulated Storefront Bronze)
PB Polished Brass
S Stainless Steel
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