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Product Specifications:
| Item | Ball End Mill |
| Coolant Fed | Non Coolant Through |
| Cutting Direction | Right Hand |
| Cutting Length | 0.812" |
| Cutting Type | Center Cutting |
| Drilling Tool Configuration | Individual |
| End Mill Application | Finishing, Roughing |
| End Mill Cutting Type | Center Cutting |
| End Mill Style | Ball Nose |
| End Type | Single End |
| Finish | Bright, Uncoated |
| Finish - Machining | Bright (Uncoated) |
| Helix Angle | 30° |
| Length Of Cut | 13/16" |
| List Number | 258 |
| Material | Carbide |
| Material - Machining | Carbide |
| Measurement System | Fractional Inch |
| Milling Dia. | 5/16" |
| Neck Length | 0" |
| Number Of Flutes | 4 |
| Overall Length | 2 1/2" |
| Primary Material Application | Cast Iron, Hardened Steel, Nickel, Stainless Steel, Steel, Titanium |
| Primary Material Application Iso Code | H, K, M, P, S |
| Shank Dia. | 5/16" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Single End/double End | Single End |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Milling Dia. | Number Of Flutes | Finish | List Number | Shank Dia. | Helix Angle | Overall Length | Length Of Cut | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
282-911760D | 1" | 2 | ZRN | 282 | 1" | 42° | 4" | - | €436.20 | |
![]() |
282-911760 | 1" | 2 | Bright, Uncoated | 282 | 1" | 42° | 4" | - | €385.23 | |
![]() |
282-501260D | 1/2" | 2 | ZRN | 282 | 1/2" | 42° | 3" | - | €128.56 | |
![]() |
282-250760 | 1/4" | 2 | Bright, Uncoated | 282 | 1/4" | 42° | 2 1/2" | - | €48.62 | |
![]() |
282-125510 | 1/8" | 2 | Bright, Uncoated | 282 | 1/8" | 42° | - | - | €27.02 | |
![]() |
282-125510D | 1/8" | 2 | ZRN | 282 | 1/8" | 42° | - | - | €33.08 | |
![]() |
282-187635 | 3/16" | 2 | Bright, Uncoated | 282 | 3/16" | 42° | 2" | - | €38.44 |
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Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
GRAINGER 258-312812 Ball End Mill, 4 Flutes, 5/16 Inch Milling Dia, 13/16 Inch Length Of Cut
€78.45 /unit




