Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
BATTERY DOCTOR Bolt: Bolt, Negative/Positive, Brass, 1 1/2 in Overall Lg - Battery Terminal Bolts
BATTERY DOCTORBattery Terminal Bolts

BATTERY DOCTOR Bolt: Bolt, Negative/Positive, Brass, 1 1/2 in Overall Lg

The BATTERY DOCTOR Bolt is a negative-polarity battery terminal bolt made of brass, with a 3/8"-16 stud size and 1 1/2 in overall length. It uses a bolt connection type and is identified by manufacturer part number…

SKU 3G-OTH-499933

Brand
BATTERY DOCTOR
Item
Bolt: Bolt, Negative/Positive, Brass, 1 1/2 in Overall Lg
Category
Battery Terminal Bolts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BATTERY DOCTOR
Manufacturer Part Number
30300
Type
Negative/Positive, Brass
Overall Lg
1 1/2 in
Polarity
Negative
Stud Size
3/8"-16
Connection Type
Bolt
Contact Material
Brass
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BATTERY DOCTOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BATTERY DOCTOR Bolt is a negative-polarity battery terminal bolt made of brass, with a 3/8"-16 stud size and 1 1/2 in overall length. It uses a bolt connection type and is identified by manufacturer part number 30300.

Frequently Asked Questions

What is the BATTERY DOCTOR Bolt 30300 used for?

The BATTERY DOCTOR Bolt 30300 is a brass battery terminal bolt used to secure cable connections on negative battery posts. It is common in automotive, marine, and industrial equipment where a reliable 3/8"-16 stud connection is required.

What are the specifications of the BATTERY DOCTOR Bolt 30300?

The BATTERY DOCTOR Bolt 30300 is a negative-polarity brass bolt with a 3/8"-16 stud size and 1 1/2 in overall length. It uses a bolt connection type and is made by BATTERY DOCTOR. Contact material is brass for corrosion resistance.

Where to buy BATTERY DOCTOR Bolt 30300 worldwide?

3G Electric supplies the BATTERY DOCTOR Bolt 30300 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this brass battery terminal bolt.

How to install a BATTERY DOCTOR battery terminal bolt?

To install the BATTERY DOCTOR Bolt 30300, first disconnect the battery. Clean the terminal post, then thread the bolt through the cable lug and tighten to the manufacturer's torque spec. Ensure the bolt is fully seated for a secure electrical connection.

Used in

Common applications for BATTERY DOCTOR
Fleet maintenance — BATTERY DOCTOR 31200 Series circuit breakers for overcurrent protection in truck electrical systems
Automotive wiring harness repair — BATTERY DOCTOR GPT primary wires (20 AWG, 22 AWG) for replacing damaged low-voltage cables
Industrial control panels — BATTERY DOCTOR primary wires for internal wiring of 60 V control circuits
Marine battery systems — BATTERY DOCTOR circuit breakers for protecting DC circuits on boats
Off-road equipment — BATTERY DOCTOR 31200 Series breakers for resettable protection in ATVs and utility vehicles
Battery charger connections — BATTERY DOCTOR primary wires for extending charger leads in workshop environments

BATTERY DOCTOR Products

3G Electric supplies BATTERY DOCTOR battery terminal bolts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from BATTERY DOCTOR

View all BATTERY DOCTOR parts →
BATTERY DOCTOR Battery Bolt: Silver Color, Negative/Positive, Steel (MPN 20251). Key specifications — Contact Material: Steel; Color Code: Silver; Polarity: Positive; Brand: BATTERY DOCTOR.
BATTERY DOCTOR
BATTERY DOCTOR Battery Bolt: Silver Color, Negative/Positive, Steel (MPN 20251). Key specifications — Contact Material: Steel; Color Code: Silver; Polarity: Positive; Brand: BATTERY DOCTOR.
BATTERY DOCTOR Bolt: Bolt, Negative/Positive, Brass, 1 7/16 in Overall Lg, 5/16"-18 Stud Size (MPN 30600). Key specifications — Contact Material: Brass; Connection Type: Bolt; Polarity: Positive; Stud Size: 5/16"-18; Brand: BATTERY DOCTOR.
BATTERY DOCTOR
BATTERY DOCTOR Bolt: Bolt, Negative/Positive, Brass, 1 7/16 in Overall Lg, 5/16"-18 Stud Size (MPN 30600). Key specifications — Contact Material: Brass; Connection Type: Bolt; Polarity: Positive; Stud Size: 5/16"-18; Brand: BATTERY DOCTOR.
BATTERY DOCTOR Bolt: Bolt, Negative/Positive, Brass, 1 3/4 in Overall Lg, 3/8"-24 Stud Size (MPN 30400). Key specifications — Contact Material: Brass; Connection Type: Bolt; Polarity: Negative; Stud Size: 3/8"-24; Brand: BATTERY DOCTOR.
BATTERY DOCTOR
BATTERY DOCTOR Bolt: Bolt, Negative/Positive, Brass, 1 3/4 in Overall Lg, 3/8"-24 Stud Size (MPN 30400). Key specifications — Contact Material: Brass; Connection Type: Bolt; Polarity: Negative; Stud Size: 3/8"-24; Brand: BATTERY DOCTOR.
BATTERY DOCTOR Bolt: Bolt, Negative/Positive, Brass, 1 13/16 in Overall Lg, 3/8"-16 Stud Size (MPN 30500). Key specifications — Contact Material: Brass; Connection Type: Bolt; Polarity: Positive; Stud Size: 3/8"-16; Brand: BATTERY DOCTOR.
BATTERY DOCTOR
BATTERY DOCTOR Bolt: Bolt, Negative/Positive, Brass, 1 13/16 in Overall Lg, 3/8"-16 Stud Size (MPN 30500). Key specifications — Contact Material: Brass; Connection Type: Bolt; Polarity: Positive; Stud Size: 3/8"-16; Brand: BATTERY DOCTOR.