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Product Specifications:
| Item | Ball End Mill |
| Chip-breaker | No |
| Coolant Fed | Non Coolant Through |
| Cutting Direction | Right Hand |
| Cutting Length | 3/4" |
| 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° |
| List Number | 251 |
| Material | Carbide |
| Material - Machining | Carbide |
| Measurement System | Fractional Inch |
| Milling Dia. | 1/16" |
| Neck Diameter | 0" |
| Neck Length | 0" |
| Number Of Flutes | 4 |
| Overall Length | 2 1/2" |
| Primary Material Application | Aluminum, Brass, Bronze, Cast Iron, Copper, Hardened Steel, Stainless Steel, Steel |
| Primary Material Application Iso Code | H, K, M, N, P |
| Shank Dia. | 1/8" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Single End/double End | Single End |
| System Of Measurement | Imperial |
Shipping Info:
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Finish | List Number | End Type | Milling Dia. | Number Of Flutes | Shank Dia. | Overall Length | Length Of Cut | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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221-001395 | Bright, Uncoated | 221 | Single End | 1 mm | 2 | 3 mm | 39 mm | - | €18.35 | |
![]() |
221-001400B | Aluminum Titanium Nitride | 221 | Single End | 1 mm | 2 | 3 mm | 39 mm | - | €26.54 | |
![]() |
221-001400A | Tin | 221 | Single End | 1 mm | 2 | 3 mm | 39 mm | - | €21.91 | |
![]() |
221-001400C | Titanium Carbonitride | 221 | Single End | 1 mm | 2 | 3 mm | 39 mm | - | €22.91 | |
![]() |
221-001410 | Bright, Uncoated | 221 | Single End | 1.5 mm | 2 | 3 mm | 39 mm | - | €22.43 | |
![]() |
221-001410B | Aluminum Titanium Nitride | 221 | Single End | - | 2 | 3 mm | 39 mm | - | €28.27 | |
![]() |
221-001410A | Tin | 221 | Single End | 1.5 mm | 2 | 3 mm | 39 mm | - | €20.03 |
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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 251-002121 Ball End Mill, 4 Flutes, 1/16 Inch Milling Dia
€85.97 /unit




