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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

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

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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