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Angled view of red aluminum vise inserts with orange rubber pads and silver strapsSide view of aluminum vise inserts showing metal clips, orange caps and stainless strapTop view of red anodized vise inserts showing ASTA A-MK383 marking, orange pads and silver strap

Aluminum Vise Insert Jaw Set with Spring Retention, 5/16-Inch to 9/16-Inch Capacity

Red anodized aluminum vise jaw inserts with rubber-tipped clamps for secure axle and round stock holding without thread damage.

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Description

Aluminum Vise Insert Jaw Set

Brief Overview

This is the workbench essential for any mechanic handling precision wheel hub and pedal adjustments. The red anodized aluminum jaw inserts feature machined openings and rubber-tipped clamp pads that grip round stock securely without marring delicate threads or surfaces. The stainless steel retaining strap keeps both jaws aligned and allows automatic opening under spring tension—designed for fast, repeatable work on 5/16-inch to 9/16-inch axles (7mm to 15mm). For shops needing additional clamping options, pairing these inserts with heavy-duty aluminum clamp jaws with bolts creates a comprehensive workbench solution.

Key Features

  • Dual-Jaw Design: Red anodized aluminum blocks with scalloped inner profiles and three semi-circular cutouts per jaw
  • Rubber-Tipped Clamps: Four spring-steel clip pads with orange protective caps prevent surface damage to axles, threads, and delicate components
  • Automatic Spring Retention: Stainless steel strap loop keeps jaws aligned and opens automatically when released
  • Precision Machined Openings: Three graduated semicircular recesses plus center circular cutout accommodate round stock from 5/16-inch to 9/16-inch diameter
  • Corrosion Resistant: Anodized aluminum construction with polished stainless steel hardware resists workshop corrosion

Why Resellers Stock This

Repeat Sales Driver: Mechanics recognize this as the go-to solution for wheel hub work and bicycle pedal assembly—a tool that stays on the workbench and gets recommended to colleagues. The rubber-tipped design prevents the damage complaints that plague cheaper alternatives, building customer loyalty.

Margin Friendly: Straightforward product with no moving parts to fail, low return rates, and strong perceived value justifies healthy distributor margins.

Essential Complement: Pairs naturally with hydraulic presses and dedicated bearing removal tools, creating upsell opportunities.

Technical Specifications

Specification Detail
Jaw Material Red anodized aluminum (machined)
Clamp Pads Orange rubber-tipped, spring-steel mounted (4 total)
Retaining Strap Polished stainless steel with loop design
Holding Capacity 5/16" to 9/16" diameter round stock (7mm to 15mm)
Internal Openings Three semicircular recesses per jaw + center circular cutout
Spring Action Automatic jaw opening via bridge spring tension
Hardware Screws/rivets with stainless steel fasteners
Finish Anodized red aluminum with machined edges

Value Proposition for Your Customers

Wheel alignment specialists, bicycle mechanics, and general automotive technicians depend on tools that won't round or damage precision components. This jaw set delivers that security with zero marring—the rubber pads absorb clamping force while the graduated openings adapt to various axle diameters in a single setup. Spring-assisted opening speeds up repetitive work on high-volume days, and the corrosion-resistant construction means it stays sharp for years.

Stock this tool for shops that demand precision without compromise.