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Product Specifications:
| Item | Long Drill Bit |
| Coolant Fed | Coolant Through |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.3125 |
| Depth X Dia. Ratio | 30xd |
| Drill Bit Point Angle | 140° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | 5/16" |
| Drill Diameter Tolerance | H7 |
| Drill Length Class | Extra Long |
| Drill Point Length | 1.44 mm |
| Finish | Aluminum Titanium Nitride, Aluminum Chromium Nitride |
| Finish - Machining | Tialn+Alcrn |
| Flute Length | 10 5/64" |
| Flute Type | Spiral |
| Grade | Grade WJ30EJ |
| Material | Carbide |
| Material - Machining | Carbide |
| Material Grade - Machining | Grade WJ30EJ |
| Max. Drilling Depth | 10.078" |
| Maximum Drilling Depth | 10 5/64" |
| Measurement System | Fractional Inch |
| Number Of Coolant Holes | 2 |
| Number Of Flutes | 2 |
| Overall Length | 11 9/16" |
| Primary Material Application | Cast Iron, Steel |
| Primary Material Application Iso Code | K, P |
| Secondary Material Application | Hardened Steel |
| Secondary Material Application Iso Code | H |
| Shank Dia. | 8 mm |
| Shank Length | 1 13/32" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Sheeter Drill | No |
| Standards | Tp-Norm 69X |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.15 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 29.37 |
| Ship width (cm) | 2.54 |
| Country of Origin | FR |
Product Variants
| Product | Model | Decimal Equivalent | Drill Bit Size | Overall Length | Max. Drilling Depth | Shank Dia. | Price | |
|---|---|---|---|---|---|---|---|---|
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DC170-25-04.800A1-WJ30EJ | 0.189 | #12 | 6 31/32" | 5.703" | 5 mm | €946.59 | |
![]() |
DC170-30-04.800A1-WJ30EJ | 0.189 | #12 | 7 55/64" | 6 5/8" | 5 mm | €1,115.05 | |
![]() |
A7495TTP-4.8 | 0.189 | #12 | 9 51/64" | 8.531" | 5 mm | €1,350.35 | |
![]() |
DC170-12-04.800A1-WJ30EJ | 0.189 | #12 | 4 3/4" | 3.266" | 6 mm | €508.00 | |
![]() |
DC150-12-04.800A1-WJ30TA | 0.189 | #12 | 4 3/4" | - | 6 mm | €307.26 | |
![]() |
DC150-12-04.700A1-WJ30TA | 0.185 | #13 | 4 1/64" | 2.203" | 6 mm | €307.26 | |
![]() |
DC170-12-04.700A1-WJ30EJ | 0.185 | #13 | 4 1/64" | 2.516" | - | €508.00 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
WALTER TOOLS DC170-30-07.938A1-WJ30EJ Long Drill Bit, 5/16 Inch Drill Bit Size, 8 mm Shank Dia, 11 9/16 Inch Overall Length
€1,360.58 /unit


