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Product Specifications:
| Item | Ball End Mill |
| Chip-breaker | No |
| Coolant Fed | Non Coolant Through |
| Cutting Direction | Right Hand |
| Cutting Length | 1/2" |
| 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 | Double End |
| Finish | Bright, Uncoated |
| Finish - Machining | Bright (Uncoated) |
| Grade | General Purpose |
| Helix Angle | 30° |
| List Number | 242 |
| Material | Carbide |
| Material - Machining | Carbide |
| Material Grade - Machining | General Purpose |
| 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, Stainless Steel, Steel |
| Primary Material Application Iso Code | H, K, M, P |
| Shank Dia. | 5/16" |
| Shank Type | Weldon Flat |
| Shank Type - Machining | Weldon Flat |
| Single End/double End | Double End |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.15 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Milling Dia. | Number Of Flutes | Shank Dia. | Finish | List Number | Overall Length | Length Of Cut | Cutting Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
240-031120 | 1/2" | 2 | 1/2" | Aluminum Titanium Nitride | 240 | 3" | - | 5/8" | €128.64 | |
![]() |
243-001103 | 1/2" | 2 | 1/2" | Aluminum Titanium Nitride | 243 | 4" | - | 1" | €165.17 | |
![]() |
240-021120 | 1/2" | 2 | 1/2" | Titanium Carbonitride | 240 | 3" | - | 5/8" | €110.49 | |
![]() |
240-001120 | 1/2" | 2 | 1/2" | Bright, Uncoated | 240 | 3" | - | 5/8" | €120.03 | |
![]() |
243-001100 | 1/2" | 2 | 1/2" | Bright, Uncoated | 243 | 4" | - | 1" | €169.79 | |
![]() |
240-001121 | 1/2" | 2 | 1/2" | Tin | 240 | 3" | - | 5/8" | €106.19 | |
![]() |
240-031080 | 1/4" | 2 | 1/4" | Aluminum Titanium Nitride | 240 | 2 1/2" | - | 1/2" | €58.22 |
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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 242-001090 Ball End Mill, 4 Flutes, 5/16 Inch Milling Dia
€68.48 /unit






