Panduit S8-40-M StrongHold Cable Tie

The Panduit S8-40-M delivers intermediate-duty wire bundling for commercial security installations where code compliance and reliable tensile strength matter more than premium pricing. Built from flame-retardant polyamide 6-6 and rated for plenum spaces under UL 62275, this 7.9-inch natural-color tie handles trunk runs in drop ceilings, cable trays, and structured-wiring closets where inspectors check material certifications. Sold in 1,000-count bags and 10,000-piece cartons, the S8-40-M suits contractors running multi-building projects or maintaining recurring service routes—bulk packaging that keeps install crews stocked without frequent reorders.

Key Features

• 40 lb (18.1 kg) minimum tensile strength for intermediate cable bundles
• UL 62275 Type 2 and Type 21 rated for plenum and general-use applications
• Polyamide 6-6 construction—flame retardant, low smoke, RoHS compliant
• 7.9" (200 mm) length handles bundles up to 2" diameter
• Natural color blends with white/beige structured cabling
• 1,000-piece bag and 10,000-piece carton options for volume installs

Panduit's StrongHold series uses injection-molded polyamide 6-6 with a one-piece pawl and tail design—no separate locking piece to fail under vibration or thermal cycling. The S8-40-M's 40-pound tensile rating sits between light-duty 18-lb ties (too weak for trunk bundles) and heavy-duty 120-lb types (overkill for Cat6/coax runs). That intermediate strength handles typical security-install cable bundles: four to eight Cat6 runs plus a couple RG6 coax or 18/2 power leads, cinched tight without crushing jacket insulation. The natural (off-white) color disappears against white J-hooks, beige ladder rack, or ivory wall plates—cleaner sight lines than black ties on light-colored infrastructure.

UL 62275 certification covers both Type 2 (general use, 105°C) and Type 21 (plenum, air-handling spaces) applications. That dual rating means the same tie works in open cable trays and above suspended ceilings without stocking two SKUs. The polyamide 6-6 formulation self-extinguishes and produces minimal smoke—critical for plenum spaces where burning cable ties can't drip flaming plastic or generate dense smoke that spreads through HVAC ducts. RoHS compliance eliminates lead, mercury, and restricted halogens, satisfying green-building specs (LEED projects, government contracts) and California/EU material regulations without requiring separate "RoHS version" inventory.

The 1,000-count bag is the practical unit for job-site use: fits in a tool cart drawer, dispenses one tie at a time, and lasts a typical two-person crew through a week of rough-in work (security + low-voltage on a mid-size office buildout). The 10,000-piece carton (ten bags) suits regional contractors running multiple concurrent projects or facility managers maintaining campuses, hospitals, or school districts—stock the service truck once, replenish monthly. At 7.9 inches, the S8-40-M is long enough to wrap bundles up to 2 inches in diameter (about eight Cat6 cables or a mix of data/coax/power) but short enough to pull snug without excess tail flopping loose. Installers typically trim the tail flush with diagonal cutters after cinching, leaving a low-profile bundle that won't snag when pulling new cables through the same pathway later.

This tie's intermediate strength handles horizontal runs and drop-ceiling bundles but not heavy vertical or outdoor applications: use Panduit's PLT or Pan-Ty series (120+ lb rating, UV-stabilized) for riser shafts, rooftop conduit, or exterior camera runs where wind load, UV exposure, and temperature swings demand heavier-duty materials. The S8-40-M shines in controlled environments—inside buildings, stable temps, no direct sunlight—where the job requires certified plenum materials and reliable tensile strength without paying for features the install doesn't need.

UL 62275 Type 21 certification is the technical line between "works fine until the fire marshal shows up" and "passes inspection the first time." Panduit publishes the flame-spread and smoke-density test data (NFPA 262 / UL 910 equivalent) that AHJs reference when auditing plenum materials, and the S8-40-M's listing appears in UL's online database under category UZFT2—verifiable in the field with a phone. That traceability, combined with bulk packaging and intermediate tensile strength, makes this tie the default choice for commercial low-voltage contractors who need code-compliant, job-site-ready wire management without the margin penalty of over-spec'd specialty ties.