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Heat Shrink Tubing · 1/4 in I.D. · Black · Electrical Insulation HS.25ID
SKU: S-HS.25ID
Black 1/4 in I.D. heat shrink tubing for insulating, bundling, and protecting wire terminations and splices. Commonly used in control, automotive, marine, and general electrical work; actual fit depends on wire bundle size and shrink ratio.
What this product is for
This heat shrink tubing is used to insulate exposed conductors, cover splices, bundle small wire groups, and add abrasion protection to electrical terminations. A 1/4 in inside diameter size is commonly selected for small cable bundles, terminals, and low-voltage wiring where a clean insulated finish is needed.
Use for
- Insulating wire splices and terminal connections
- Bundling small conductors and control wiring
- Automotive, marine, panel, and general electrical service work
- Colour-coded or black-finish wire protection where a neat final appearance matters
Avoid for
- Applications that require a watertight seal unless adhesive-lined tubing is specified
- Large connectors or irregular shapes if the shrink ratio is unknown
- Installations where exact wall thickness, voltage rating, or flame rating must be confirmed before purchase
Best for
Best for electricians and technicians who need a general-purpose black heat shrink size for small terminations, harness clean-up, and basic insulation repair.
Installed in
- Control panels
- Equipment wiring
- Automotive and trailer wiring
- Marine low-voltage wiring
- General shop and field electrical repairs
Why this product exists
Heat shrink tubing provides a tighter, cleaner, and more abrasion-resistant finish than tape alone. Black tubing is commonly used where a neutral appearance and general UV resistance are preferred.
Compared with similar products
Compared with larger tubing sizes, 1/4 in I.D. is better suited to smaller wire groups and terminals. Compared with adhesive-lined tubing, standard heat shrink is typically chosen when insulation and light mechanical protection are needed rather than environmental sealing. Typical market listings for 1/4 in black tubing often use 2:1 shrink constructions, but the exact shrink ratio for this SKU should be confirmed before critical fit applications.
Typical guidance only: choose tubing large enough to slide over the connection before heating, while still shrinking tightly over the finished assembly. Actual performance depends on installation conditions, conductor shape, and product construction.
Specifications
- Product type: Heat shrink tubing
- Colour: Black
- Nominal inside diameter: 1/4 in (approximately 6.4 mm)
- Application: Electrical insulation and wire protection
- Category: Wire and cable accessory
- Part number: HS.25ID
- Brand: Not confirmed from available source results
- CategoryWire and cable accessory
- ColourBlack
- ApplicationElectrical insulation and wire protection
- Nominal Inside Diameter1/4 in (approximately 6.4 mm)
- BrandsWhite Label
Aptico Supply Delivery
Fast Electrical Supply Delivery Across Ontario
Local delivery routes, pickup options, and contractor-focused service from our Elmira and Flesherton locations.
Delivery Built Around Electrical Contractors
Aptico Supply helps electricians, contractors, and commercial buyers get the electrical materials they need without unnecessary delays. Whether you are ordering for a jobsite, restocking service inventory, or arranging pickup, our delivery options are designed to keep work moving.
Free Daily Delivery
Free daily delivery is available for larger contractor accounts.
- Order by 9:00 AM for morning delivery
- Order by 2:00 PM for afternoon delivery
- Available in qualifying local delivery areas
Free Weekly Delivery
Free weekly delivery is available for smaller accounts in select service areas.
- Elmira area delivery: Tuesday
- Flesherton area delivery: Thursday
- Order by 11:00 AM on the route day
Pickup Options
Pickup is available from our Ontario locations for customers who prefer to collect their order directly.
- Elmira pickup available
- Flesherton pickup available
- Call ahead for large or special-order items
Local Delivery Areas
See our local delivery coverage below. Delivery charges may apply outside regular route areas or for oversized items.
Delivery Questions
Do you offer free delivery?
Yes, free delivery is available for qualifying contractor accounts and selected local delivery routes.
Can I pick up my order?
Yes, pickup is available from our Elmira and Flesherton locations.
Do delivery charges apply?
Delivery charges may apply outside regular local routes, for smaller orders, or for oversized and heavy items.
Can you deliver to jobsites?
Yes, jobsite delivery may be available depending on the order size, location, and delivery schedule.
Need Electrical Supplies Delivered?
Contact Aptico Supply to confirm your delivery options, pickup availability, or contractor account eligibility.
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