135 Deg NAS 907 TypeB Aircraft Extension Drill Cleveland 3957-12 Bright HSS RHS/RHC, N21 MPN:C13234
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In Stock
SKU
510-G1553212
135 Deg NAS 907 TypeB Aircraft Extension Drill Cleveland 3957-12 Bright HSS RHS/RHC, N21
The Cleveland 3957-12 Aircraft Extension Drill is a high-performance tool designed for precision drilling in aircraft and aerospace applications. Its 135-degree split point drill bit provides a strong, self-centering action, while the high-speed steel construction ensures durability and long lifespan. The drill's bright, uncoated finish allows for optimal chip removal and minimizes risk of contamination. Suitable for drilling in a variety of materials, including aluminum, steel, and titanium, this drill is ideal for use in aircraft maintenance, repair, and overhaul (MRO) operations, as well as in aerospace manufacturing and production environments. Its compact size and lightweight design make it easy to handle and maneuver.
Top product features:
- 135 Degree Drill Bit Point Angle
- High Speed Steel Construction
- Split Point Design
Top product applications:
- Drilling holes in aircraft panels
- Drilling holes in aircraft rivets
- Drilling holes in aircraft skins
Aircraft Extension Drill, Drill Bit Size #21, Drill Bit Point Angle 135 Degrees , Split Point, High Speed Steel, Bright (Uncoated), 21 Degrees to 34 Degrees , Material Grade - Machining High Performance, Maximum Drilling Depth 5/8 in, Wire, 4xD
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 0.20
- Package Width: 12.00
- Package Height: 0.20
- Package Weight: 0.06
Product info last updated on February 3, 2026 2:59am UTC
Category: Cutting Tools