Can you show me shrink wrap to connect the wires to the pan so it’s nice and solid heat it with fire to make it nice and tight

These pins are designed to be attached to the wire with a crimping tool. With the proper crimping tool the middle tabs on the pin are folded over to grab the wire. And the small tabs at the end of the pin are folded over the insulation to form a solid connection. This eliminates any need for shrink tubing which would interfere with insertion of the pin into the connector block.

Will 2of the 2pin female connectors fit into a 4pin male connector side by side ? On your jst sm connector kit

I just tried, to answer your question, they don’t fit.

What gage wire is this compatible with?

I have been using on 22 ga motor wires.

Will the 3 and 4 pin connectors work for motherboards/fans on a computer?

I'm not exactly sure what you are asking but I'll take a guess... If you can remove the pins from the clip and then put this shrink wrap sleeve over the wire then yes. Seems like a lot of work though.

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2.5mm Pitch JST SM Connector 2 3 4 5 Pin Male/ Female Housing Plug Connector Assortment Kit 560Pcs

Product ID: 46090019

Details

Color
Black
Connector Type
Pin
Contact Material
Copper
Insulation Material
Plastic
Terminal
Pin Terminal

📏2.5mm precise pin pitch

🔌560-piece comprehensive kit

⚙️Durable plastic & copper metal

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₨460

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔗 Connect Like a Pro — Never Miss a Pin!

BUILT TO LAST - High-quality plastic housing with copper contacts for long-term durability
PLUG PLAY READY - Includes both male and female connectors for seamless wiring projects
PRECISION PERFECT - 2.5mm pitch ensures flawless, secure connections every time
ALL IN ONE POWERHOUSE - 560 connectors covering 2 to 5 pins for ultimate versatility
PRO GRADE COMPATIBILITY - Ideal for automotive, medical, electrical, and IoT applications

This 560-piece JST SM connector kit features 2.5mm pitch male and female plugs in 2, 3, 4, and 5-pin configurations. Crafted from durable plastic and copper, it’s engineered for reliable, long-lasting connections across automotive, medical, electrical, and IoT devices. Perfect for professionals demanding precision and versatility in one comprehensive set.

Specifications

ASIN	B071HFPXBD
Best Sellers Rank	#252 in Audio & Video Connectors & Adapters
Brand Name	OCR
Color	Black
Connector Gender	Male/Female
Connector Type	Pin
Contact Material	Copper
Customer Reviews	4.6 4.6 out of 5 stars (375)
Insulation Material Type	Plastic
Item Dimensions L x W x H	7.6"L x 5.3"W x 1.5"H
Item Weight	7.04 ounces
Manufacturer	OCR
Material Type	Metal
Model	4330130335
Number of Items	560
Part Number	unknown
Terminal	Pin Terminal
UPC	764276388384
Unit Count	560.0 Count

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