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Product Specifications:
| Item | Self Feed Drill Bit |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 2.125 |
| Drill Bit Grouping | Individual |
| Drill Bit Size | 2 1/8" |
| Finish | Black Oxide |
| Finish - Machining | Black Oxide |
| Flute Length | 1" |
| For Tool Type | Rotary Drills |
| Material | Carbon Steel |
| Material - Machining | Carbon Steel |
| Measurement System | Fractional Inch |
| Overall Length | 5" |
| Pipe/rigid Conduit Entrance Size | 2 1/8" |
| Primary Material Application | Wood |
| Removable Feed Screw | Yes |
| Shank Dia. | 0.438" |
| Shank Diameter | 7/16" |
| Shank Hex Size | 7/16" |
| Shank Length | 4" |
| Shank Type | Hex |
| Shank Type - Machining | Hex |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.35 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 12.7 |
| Ship width (cm) | 2.54 |
| Country of Origin | CN |
Product Variants
| Product | Model | Material | For Tool Type | Drill Bit Size | Decimal Equivalent | Shank Hex Size | Shank Dia. | Pipe/rigid Conduit Entrance Size | Overall Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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SF5018 | Steel | Self Feed Drill | - | - | - | 1/8" | - | - | €6.69 | |
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SF1251 | Carbon Steel | Rotary Drills | 1 1/4" | 1.25 | 7/16" | 0.438" | 1 1/4" | 5" | €49.93 | |
![]() |
SF1751 | Carbon Steel | Rotary Drills | 1 3/4" | 1.75 | 7/16" | 0.438" | 1 3/4" | 5" | €63.37 | |
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SF1371 | Carbon Steel | Rotary Drills | 1 3/8" | 1.375 | 7/16" | 0.438" | 1 3/8" | 5" | €60.42 | |
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SF1001 | Carbon Steel | Rotary Drills | 1" | 1 | 7/16" | 0.438" | 1" | 5" | €51.82 | |
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SF2251 | Carbon Steel | Rotary Drills | 2 1/4" | 2.25 | 7/16" | 0.438" | 2 1/4" | 5" | €66.86 | |
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SF2561 | Carbon Steel | Rotary Drills | 2 9/16" | 2.563 | 7/16" | 0.438" | 2 9/16" | 5" | €82.67 |
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Contact us
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BOSCH SF2121 Self Feed Drill Bit, 2 1/8 Inch Drill Bit Size, Hex, 7/16 Inch Shank Dia, 5 Inch Length
€70.70 /unit




