1AWG 8 to 4/0
It works with AWG 8, 6, 4, 2, 1, 1/0, 2/0, 3/0 and 4/0 cable and is widely used on boats and vehicle electrics.
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- Hammer lug crimper kit for battery cable
Two hammer taps, one lug-12%CODEcapitalone12Harfington Hammer lug crimper kit for battery cable
A crimper for heavy battery cable lugs that you strike with a hammer. It handles AWG 8 up to 4/0 and comes with four ring lugs and four heat-shrink tubes, ready for battery or inverter leads.
12%$29.5
Price with code · Harfington · as of 2026-10-09Code capitalone12 · 12% off
2A spring holds the lug
A spring keeps the die against the lug: insert the stripped wire, set it on a hard surface and strike once or twice with a hammer.
3Lugs and tubing included
Four 5/16" ring lugs and four 3:1 polyolefin dual-wall heat-shrink tubes come with it.
Key specs
- Cable range
- AWG 8 – 4/0
- Crimper size
- 95 × 67 × 56 mm
- Ring lugs
- 4, 8 mm (5/16") ring
- Heat-shrink
- 4, 3:1 ratio
- Material
- Metal
Good pick if
- You make your own battery or inverter cables
- A hydraulic crimper is more than you want to spend
Think twice if
- You need pliers for thin wire terminals
FAQ
Is there a promo code?
Yes. Enter capitalone12 at Harfington checkout when buying the Harfington Hammer lug crimper kit for battery cable for 12% off.
Is a hammer included?
No. The kit is the crimper, four ring lugs, four heat-shrink tubes and a manual, so you need your own hammer.
Can I return it?
The product page offers 30-day returns from delivery. Returns are free within the US; elsewhere you pay the return shipping.
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