Product Description
GAT-MS-100 100° Countersink & Microstop Kit – the only 9-bit professional countersinking system built specifically for modern collision & aluminum structural repairs on GM, Tesla, Ford, Rivian, Chrysler, and European vehicles. Delivers perfect 100° flush rivet seating with micron-level depth control – no over-cutting, no weak joints, every hole OEM perfect.
Key Features & Benefits:
- 9 HSS 100° countersink bits – exact sizes for all common structural rivets
- Sizes: #40, #30, #21, #10, 3/32", 1/8", 5/32", 3/16", 1/4"
- Precision Microstop cage with nylon foot & locking ring – repeatable depth every time
- Half-moon skirt for rock-solid stability on curved panels
- Direct cross to GM ATI590CSKGM + Tesla 1133101-00-A, 10659944-00-A, 1133199-00-A
- Hard blow-molded case keeps everything organized and protected
- 1-year warranty on core components
Perfect for:
- GM platform trucks & SUVs
- Tesla Model 3/Y/S/X, Cybertruck
- Ford F-150 Lightning, Mach-E
- Rivian R1T/R1S, European aluminum-intensive vehicles
