Steck

Steck Seam Buster Chisel — 20015 Heavy-Duty Seam Separator, Cushioned Handle & Hardened Alloy

High-performance automotive accessories made for confident daily results

$50.00

3 shoppers currently have this item in cart.

Low stock: only 10 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium automotive accessories quality selected for Canada customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose NorthTrail Auto

The Steck 20015 Seam Buster Chisel is a heavy-duty hand tool designed to separate spot-welded and bonded automotive panels quickly while preserving surrounding metal and paint. Built for body shops and mechanics who remove quarter panels, rocker panels and other pinchwelded sections, this robust chisel combines a sharpened tip and a hardened side edge to slip between panels and then drive them apart without bending or tearing. Forged from a high-strength alloy and fitted with a cushioned handle, the tool reduces user fatigue and absorbs impact so you can work faster and with more control. Made in the USA, the Seam Buster cuts down on labor time and helps avoid costly panel damage during disassembly.

How does the Seam Buster separate spot-welded panels?

The chisel's narrow, sharpened point slips into the tiny gap produced by a spot weld or adhesive bond. Once the tip is inserted, a side strike transfers force along a reinforced edge to fracture the bond or spread the seam cleanly without deforming the panels.

  • Sharpened tip for precise entry between joined surfaces
  • Side edge engineered to concentrate impact force
  • Hardened alloy resists chipping under repeated strikes
  • Reduces need for cutting or grinding near paint

What vehicle areas and materials is it suited for?

The tool is tailored for common automotive pinch-weld locations: quarter panels, rockers and other overlap seams. It works on thin gauge sheet metal typically used in vehicle bodies, and will also assist where adhesive bonds are present alongside spot welds.

  • Quarter panels and rear wheel arches
  • Rocker panels and door jamb seams
  • Any pinchweld or overlapped panel assemblies
  • Effective on welded or bonded connections

How does the handle and construction improve performance?

The Steck Seam Buster uses a cushioned grip to reduce vibration transfer and lessen hand strain during repeated strikes. Its construction from super-tough alloy steel maintains edge integrity so the tool stays effective longer and requires less frequent resharpening.

  • Cushioned handle absorbs impact and improves control
  • Alloy steel body for long-lasting toughness
  • Dual-edge sharpening for entry and side-impact use
  • Durable finish resists corrosion in shop environments

How much time can I expect to save using this tool?

Because the chisel is purpose-built for separating welded seams without extra cutting, technicians typically spend far less time on disassembly steps. The tool accelerates panel removal workflows and can reduce the labor required per panel replacement when used correctly.

  • Speeds initial panel separation compared with grinding
  • Minimizes rework from accidental panel deformation
  • Reduces time spent preparing joints for replacement
Who is this for: The Steck 20015 Seam Buster Chisel is aimed at collision repair professionals, independent mechanics and restoration enthusiasts who need a reliable, durable hand tool for separating spot-welded or bonded automotive panels. If you regularly remove quarter panels, rockers or other pinch-welded sections and want to cut down on labor time while protecting surrounding metal and finish, this chisel is engineered for that job.

FAQ

Q: Is the Steck 20015 made in the USA?

A: Yes — the Steck 20015 Seam Buster Chisel is manufactured in the USA.

Q: Can I use this on adhesive-bonded panels as well as spot welds?

A: Yes — the sharpened tip and side impact edge are effective on both spot-welded and adhesive-bonded seams.