SPRINGLOCK
MTi Group's SPRINGLOCK - engineered to restrain cartridges and explosives in the hole during tunneling operations. It also secures explosives firmly at the toe of the bore hole and is especially useful in angled drilling.
Live pricing and same-day-ship priority once you're in. Setup takes 60 seconds — we just need to confirm you're a real operation.
- P.O.
Why SPRINGLOCK
Secures explosives
Spring-loaded arms grip the hole wall and hold the explosive column in place.
Why it matters: Product stays where you loaded it. No slumping in angled or uphole conditions.
Ideal for angled holes
Designed specifically for angled and horizontal blastholes where gravity pulls product down.
Why it matters: Solves the slumping problem in non-vertical holes without bags or plugs.
Economical stemming
Low-cost rigid plug reduces the amount of stemming aggregate needed per hole.
Why it matters: Lower material costs and faster stemming. The plug does the work of a longer stem column.
Rigid plastic design
Solid polymer construction won't flex or compress under stemming weight.
Why it matters: Holds its shape and position. A stable platform for your stemming column.
Easy insertion
Push into the hole by hand or on a tamping pole. Arms deploy automatically.
Why it matters: No setup, no inflation, no activation step. Insert and move to the next hole.
Civil and mining use
Suitable for quarries, civil construction, and underground mining applications.
Why it matters: One product works across multiple job types. Stock one SKU for varied operations.
Built for the bench.
Holds the liner
Tunnel-spring retention that holds blast hole liners in place against gravity and ground movement.
Reusable
Built to be picked up and used on the next round.
Built for every condition.
Tunnel development
Drift and ramp work where you need a fast, dependable liner retention.
Uphole liners
Gravity wants to drop the liner. SPRINGLOCK keeps it where you set it.
Specs, storage & more.
| Length | 17" |
| Width | 14" |
| Height | 16" |
| Weight | 27lbs |
| Non-sparking | Yes |
| Pack size | 1500/box |
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