Description
With a tensile strength of170,000psi,these alloy steel screws are stronger than Grade 8 steelscrews.Length is measured from under thehead.Quantity of 100
Sale!
Alloy Fasteners 5/16-18 1″ Steel Black Oxide Socket Cap Screw HSCSST31C16 100PC
Original price was: $5.02.$2.60Current price is: $2.60.
62 in stock
Related products
-
![Xantrex Conext Combox Communication Box f/Freedom SW Series Inverters/Chargers[809-0918]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/xantrex-conext-combox-communication-box-f-freedom-sw-series-inverters-chargers-8.webp)
Sale! Xantrex Conext Combox Communication Box f/Freedom SW Series Inverters/Chargers[809-0918]
Original price was: $63.04.$40.16Current price is: $40.16. -
![Whitecap Teak Lumber – 1/2″ x 1-3/4″ x 72″[60813]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/whitecap-teak-lumber-1-2-x-1-3-4-x-72-60813.webp)
Sale! Whitecap Teak Lumber – 1/2″ x 1-3/4″ x 72″[60813]
Original price was: $20.20.$13.48Current price is: $13.48. -
![Shadow-Caster Accent Lighting Flex Strip 8′ Terminated w/20′ of Lead Wire[SCM-AL-LED-8]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/shadow-caster-accent-lighting-flex-strip-8-terminated-w-20-lead-wire-scm-al-led-.webp)
Sale! Shadow-Caster Accent Lighting Flex Strip 8′ Terminated w/20′ of Lead Wire[SCM-AL-LED-8]
Original price was: $28.28.$20.83Current price is: $20.83. -
![Scanpod Helm Pod System – White[SPH-SYSTEM-W]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/scanpod-helm-pod-system-white-sph-system-w.webp)
Sale! Scanpod Helm Pod System – White[SPH-SYSTEM-W]
Original price was: $96.32.$71.84Current price is: $71.84. -
![Ancor Premium Electrical Tape – 3/4″ x 66′ – Orange[334066]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ancor-premium-electrical-tape-3-4-x-66-orange-334066.webp)
Sale! Ancor Premium Electrical Tape – 3/4″ x 66′ – Orange[334066]
Original price was: $4.08.$3.03Current price is: $3.03. -
![SmartPlug 50 Amp 50 Dual Configuration Cordset w/Marina Park Power End [C50504]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/smartplug-50-amp-50-dual-configuration-cordset-w-marina-park-power-end-c50504.webp)
Sale! SmartPlug 50 Amp 50 Dual Configuration Cordset w/Marina Park Power End [C50504]
Original price was: $182.16.$129.80Current price is: $129.80. -
![Ancor 24-22 Gauge Heat Shrink Step-Down Multi-Wire Connectors – 25-Pack[320025]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ancor-24-22-gauge-heat-shrink-step-down-multi-wire-connectors-25-pack-320025.webp)
Sale! Ancor 24-22 Gauge Heat Shrink Step-Down Multi-Wire Connectors – 25-Pack[320025]
Original price was: $12.72.$8.96Current price is: $8.96. -
![Blue Sea 1221 12V DC Main + 19 Positions w/Digital Meter[1221]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/blue-sea-1221-12v-dc-main-19-positions-w-digital-meter-1221.webp)
Sale! Blue Sea 1221 12V DC Main + 19 Positions w/Digital Meter[1221]
Original price was: $165.12.$109.57Current price is: $109.57.