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Product Specifications:
| Item | Twist Drill Bit |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.5 |
| Depth Dia. Ratio | 10xd |
| Dimensions Type | Fractional Inch |
| Drill Bit Dimension Type | Fractional Inch |
| Drill Bit Material | High Speed Steel |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | 1/2" |
| Drilling Depth | 5" |
| Drilling Depth (in.) | 5" |
| Features | 135 Degrees |
| Finish | TiN Coating |
| Finish-machining | Titanium |
| Flute Length | 5" |
| Flute Type | Spiral |
| Impact Rated | Yes |
| Impact Rating | Yes |
| Material | High Speed Steel |
| Material-machining | High Speed Steel |
| Max. Drilling Depth | 5" |
| Overall Length | 6" |
| Point Angle | 135° |
| Primary Material Application | Hard Wood, Steel |
| Primary Material Application Iso Code | O |
| Promotion Restriction | Not Eligible For Promotion |
| Shank Dia. | 1/4" |
| Shank Hex Size | 1/4" |
| Shank Shape | Hex |
| Shank Type-machining | Hex |
| Size | 1/2" |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.08 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 15.24 |
| Ship width (cm) | 2.54 |
| Country of Origin | CN |
Product Variants
| Product | Model | Primary Material Application | Flute Length | Finish-machining | Drill Bit Size | Depth Dia. Ratio | Max. Drilling Depth | Size | Cutting Direction | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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TI2135IM | Hard Wood, Steel | 1 1/2" | Tin | 1/8" | 12xd | 1 1/2" | 1/8" | Right Hand | €6.43 | |
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BL2147IM | Plastic, Steel, Wood | 3" | Black Oxide | 5/16" | 10xd | 3" | 0.312" | Right Hand | €12.46 | |
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BL2155IM | Plastic, Steel, Wood | 4" | Black Oxide | 7/16" | 9xd | 4" | 0.438" | Right Hand | €26.74 | |
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BL2159IM | Plastic, Steel, Wood | 5" | Black Oxide | 1/2" | 10xd | 5" | 1/2" | Right Hand | €31.64 | |
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BL4143IM | Plastic, Steel, Wood | 3" | Black Oxide | 1/4" | 12xd | 3" | 1/4" | Right Hand | €9.12 | |
![]() |
BL4155IM | Plastic, Steel, Wood | 4 1/2" | Black Oxide | 7/16" | 10xd | - | 0.438" | Right | €22.28 | |
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TI4135IM | Hard Wood, Steel | 1 3/4" | Titanium | 1/8" | 14xd | 1 3/4" | 1/8" | Right Hand | €5.08 |
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Contact us
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BOSCH TI4159IM 1/2 Inch Twist Drill Bit, High Speed Steel, TiN, 5 Inch Depth, Hex Shank Type
€28.27 /unit






