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Door Hardware

Sargent and Greenleaf Commercial High-Security Locks: Buying Guide

At a Glance Sargent & Greenleaf (S&G) builds safe locks, vault locks, pedestrian pushbutton exit devices, and high-security padlocks — different company from Sargent (ASSA ABLOY) door hardware. S&G 2890 series is the pedestrian door pushbutton exit device line — mechanical or electronic access, panic egres

ZenSupply Locksmith Desk · Oct 21st 2026 Read the guide →
Door Hardware

Falcon Door Closer Buying Guide: Series, Specs & How to Compare

Falcon SC61A Series Surface-Mount Door Closer - Cast Aluminum - Light to Medium Duty At a Glance Falcon SC Series (SC60/SC70/SC80) covers light-to-medium commercial surface closers at a value tier under the Allegion umbrella — same parent as LCN. LCN 4040XP is the spec-crown heavy-duty surface closer for high-

ZenSupply Locksmith Desk · Oct 20th 2026 Read the guide →
Door Hardware

Electric Door Strike Buying Guide: Specs, Voltage & Top Picks

HES 1006 Series Electric Strike At a Glance HES 1006 — the universal cylindrical/mortise workhorse; 12/24V field-selectable, fail-secure or fail-safe by mode, fits most ANSI strike preps. HES 9600 / 9500 — surface-mounted strikes purpose-built for rim exit devices where you can't cut the frame. Adams Rite 7430/

ZenSupply Locksmith Desk · Sep 23rd 2026 Read the guide →
Door Hardware

Best Padlock for Commercial Use: Master Lock vs Abus vs American Lock

At a Glance American Lock A1100/A1300 series — rekeyable solid aluminum with boron shackle; the workhorse for facility keying systems that need master keying and SFIC compatibility. American Lock A700 series — solid steel body, hardened boron shackle; use where an SFIC core or extreme shackle attack resistance is spec'

ZenSupply Facility Solutions Team · Aug 31st 2026 Read the guide →
Door Hardware

LCN 4041 vs Norton 7500 Commercial Door Closer Comparison Guide

At a Glance LCN 4041 — cast-iron Grade 1 Super Smoothee, the industry benchmark for high-abuse and high-traffic openings. Spec it where the door will be beaten on. Norton 7500 — Grade 1 cast-iron surface closer aimed at institutional and mid-market openings where budget matters but Grade 1 is non-negotiable. Both mee

ZenSupply Specifications Team · Aug 12th 2026 Read the guide →
Door Hardware

Mechanical Push Button Lockset Knob, Entry: Commercial Buying Guide

At a Glance Kaba Simplex L1000 — the spec-standard mechanical pushbutton knob for IT closets, employee entrances, and utility rooms. No batteries, no wiring. Lockey 2210 / 2835 — value-tier mechanical keyless with single or double combination; 2835 lever variant is ADA-compliant. Alarm Lock Trilogy DL2700

ZenSupply Locksmith Desk · Jul 22nd 2026 Read the guide →
Door Hardware

Best Padlocks for Commercial Use: Master Lock vs ABUS vs American Lock

At a Glance ABUS Granit — highest cut and pry resistance for gates, containers, and high-value assets. Pick when insurance or CEN rating drives the spec. American Lock A1100/A1300 boron-shackle series — spec-grade padlock for lockout/tagout, utility, and municipal fleets. Rekeyable, SFIC-compatible options. Master Lock

ZenSupply Facility Solutions Team · Jul 15th 2026 Read the guide →
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