Hero banner showing crimp on butt connectors kit near car engine bay, featuring organized case for workshop projects
190 products
Sort by
Sort by
Save 25%
Mechanic working beneath a blue SUV on a vehicle lift in an automotive workshop with tool cabinets.HAISSTRONICA solder butt connectors BHT-1.25, AWG 22-16, 3:1 shrink ratio, tinned copper, 500PCS.
Pro Refill & Organizer Kit
Sale price$299.99 USD Regular price$400.89 USD
Save 7%
Combo set includes AWG 22-10 crimper plus 330 heat shrink butt splices, offering crimp connector assortment in case.Haisstronica 22-10 AWG ratcheting crimper with molded handles, ideal for crimped wires on heat shrink terminals
Wire Crimping Tool & 330 PCS Heat Shrink Butt Connectors
Sale price$49.99 USD Regular price$53.98 USD
Three 340-piece Haisstronica solder seal wire connector kits with assorted color-coded connectors in clear cases.How to use solder butt connectors: insert stripped wires, heat with gun until solder ring melts for a strong bond.
Save 11%
Multi-function wire stripping pliers with charging cable and hex key beside a 600-piece red and black 4:1 heat shrink tubing assortment.Ergonomic heavy-duty pliers designed to strip wire cleanly with minimal effort for various gauges strip wire
Ten jars of Haisstronica white heat shrink butt connectors for 26-24 AWG wire, each containing 500 pieces, with loose connectors in front.3:1 adhesive heat shrink butt connectors with tinned copper barrels
Ten 340-piece Haisstronica solder seal wire connector kits with assorted color-coded connectors in clear cases.Step-by-step guide: Strip, twist, and heat-seal wires with Haisstronica solder butt connectors.
Three 500-piece packs of Haisstronica yellow heat shrink butt connectors for 12-10 AWG wire.Tinned copper barrel in a heat shrink butt connector
Five 340-piece Haisstronica solder seal wire connector kits with assorted color-coded connectors in clear cases.Step-by-step guide: Strip, twist, and heat-seal wires with Haisstronica solder butt connectors.
Five 500-piece packs of Haisstronica yellow heat shrink butt connectors for 12-10 AWG wire.HAISSTRONICA wire connectors butt, pink/blue/yellow, AWG 22-16 to 12-10, 0.7-1.0mm core.
Ten 330-piece Haisstronica heat shrink butt connector kits with assorted red, blue, yellow and white connectors in clear cases.HAISSTRONICA wire connectors butt, pink/blue/yellow, AWG 22-16 to 12-10, 0.7-1.0mm core.
Five 330-piece Haisstronica heat shrink butt connector kits with assorted red, blue, yellow and white connectors in clear cases.HAISSTRONICA wire connectors butt, pink/blue/yellow, AWG 22-16 to 12-10, 0.7-1.0mm core.
Three 330-piece Haisstronica heat shrink butt connector kits with assorted red, blue, yellow and white connectors in clear cases.HAISSTRONICA wire connectors butt, pink/blue/yellow, AWG 22-16 to 12-10, 0.7-1.0mm core.
Ten 500-piece packs of Haisstronica yellow heat shrink butt connectors for 12-10 AWG wire.HAISSTRONICA wire connectors butt, pink/blue/yellow, AWG 22-16 to 12-10, 0.7-1.0mm core.
Five 1000-piece packs of Haisstronica blue heat shrink butt connectors for 16-14 AWG wire.Heat shrink butt connector cross-section, HAISSTRONICA, waterproof adhesive, tinned copper core.
Three jars of Haisstronica white heat shrink butt connectors for 26-24 AWG wire, each containing 500 pieces, with loose connectors in front.White heat shrink butt connector cross-section, HAISSTRONICA, 3:1 shrink ratio, waterproof adhesive.
Three jars of Haisstronica blue solder seal wire connectors for 16-14 AWG wire, each containing 200 pieces, with loose connectors in front.Haisstronica solder wire connectors.
Five jars of Haisstronica white heat shrink butt connectors for 26-24 AWG wire, each containing 500 pieces, with loose connectors in front.White heat shrink butt connector cross-section, HAISSTRONICA, 3:1 shrink ratio, waterproof adhesive.
Three 260-piece Haisstronica heat shrink ring connector kits in clear cases, with red, blue and yellow ring terminals in assorted sizes.Haisstronica heat shrink crimp connectors: brass terminals with hot melt adhesive for waterproof, dustproof crimping.
Five jars of Haisstronica blue solder seal wire connectors for 16-14 AWG wire, each containing 200 pieces, with loose connectors in front.How to use solder butt connectors: insert stripped wires, heat with gun until solder ring melts for a strong bond.
Ten jars of Haisstronica blue solder seal wire connectors for 16-14 AWG wire, each containing 200 pieces, with loose connectors in front.Fast workflow soldering butt connector: use 1800W heat gun, reach 842°F, make sealed splice in about 10 seconds.
Five 260-piece Haisstronica heat shrink ring connector kits in clear cases, with red, blue and yellow ring terminals in assorted sizes.Haisstronica MOTZ-70 heat shrink butt splice connectors, designed for reliable electrical joints since 2020.
Self-adjusting wire stripper removing insulation from a cable beside a 340-piece solder seal wire connector kit in a clear case.Multifunctional Haisstronica tool for stripping, cutting, and crimping outer wires.
Interchangeable-die crimping tool, automatic wire stripper and mini heat gun with a handled organizer of assorted red, blue and yellow heat shrink terminals.Haisstronica wire crimping tool, heat shrink connector demo, AWG 22-10, color-coded cavities (A/B), blue heat shrink tube.
Five 520-piece Haisstronica heat shrink wire connector kits, each in a clear case with assorted red, blue and yellow terminals.Haisstronica heat shrink electrical terminals with 3:1 high-temp adhesive tubing and tinned copper for corrosion resistance.

All Products

Haisstronica CatalogBrowse our complete range of wire connectors, crimping tools, heat-shrink products and installation accessories. Start with a category, then narrow by task, wire size and application.

Shop by Product Category

Three clear starting points for connection, installation and workshop needs.

Jump directly to the product family you need.

Find the Right Product

A quick compatibility check prevents the wrong connector or tool choice.

STEP 01

Start with the task

Choose joining, terminating, stripping, crimping or sealing.

STEP 02

Confirm the wire

Match conductor type, AWG range and installation environment.

STEP 03

Check compatibility

Verify terminal profile, sealing method, pack size and tool die.

Catalog Questions

Is this page only for electrical connectors?

No. This is the full Haisstronica catalog, including connectors, crimping tools, wire strippers, heat-shrink products, kits and accessories.

Where should I compare connector types?

Start with the Wire Connectors Collection, then narrow the selection by butt, ring, spade, solder-seal, heat-shrink or ferrule connector type.

How do I choose a compatible crimping tool?

Match the tool's supported AWG range and die profile to the exact terminal type, then confirm compatibility on the product page.

Free Standard Shipping

Fast shipping within 2 business days