Ampco
Ampco W-143R 1/4" Drive 12 Geared Teeth Round Head Hand Wrench
A non-sparking aluminium-bronze hand ratchet with a 12-tooth round head that needs only a 30-degree swing arc
- Non-sparking aluminium bronze for hazardous environments
- 12 geared teeth give a 30-degree minimum arc swing
- 1/4-inch drive fits standard sockets
- Compact 5-inch overall length for tight spaces
- Reversible pear-head ratchet with quick direction change
Product Identity
The Ampco W-143R is a 1/4" drive hand ratchet built from aluminum bronze for non-sparking safety. It features a pear-shaped round head with 12 geared teeth that deliver a 30-degree minimum arc swing. The 5-inch overall length keeps the tool compact for tight work areas. A reversing mechanism allows quick direction changes without removing the wrench.
Ideal Users and Limitations
Maintenance teams in refineries, chemical plants and grain facilities will value the non-sparking construction where flammable vapours or dust are present. The 1/4" drive suits lighter fasteners and confined access points. Technicians who require a quick-release socket lock or insulated handles for live electrical work should select a different tool. Buyers needing larger drive sizes for higher torque applications will also need an alternative.
Deciding Specification
The aluminum bronze alloy is the single specification that determines whether this ratchet belongs in your kit. It provides the non-sparking property required in hazardous atmospheres where standard steel tools create ignition risk. If your environment does not demand non-sparking tools, a conventional steel ratchet will offer greater strength and lower cost for the same drive size and tooth count.
Highlights
- Non-sparking aluminium bronze for hazardous environments
- 12 geared teeth give a 30-degree minimum arc swing
- 1/4-inch drive fits standard sockets
- Compact 5-inch overall length for tight spaces
- Reversible pear-head ratchet with quick direction change
Specifications
| Brand | AMPCO SAFETY TOOLS |
|---|
Questions about this item
How small an arc swing does the 12-geared-tooth mechanism allow?
The ratchet needs only a 30-degree arc swing to engage the next tooth.
Will the aluminum-bronze body run hot or spark during all-day use?
The non-sparking aluminum-bronze construction stays cool and produces no sparks.
What drive-size sockets must I already own to fit the 1/4-inch drive?
You need 1/4-inch-drive sockets to match the wrench's drive size.
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