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Product Specifications:
| Item | Ball Bur Sd |
| Abrading Application | Build Up Welding Preparation, Contouring, Hole Deburring, Metalworking |
| Coating | Bright Uncoated |
| Cut Type | Double Cut |
| Cutting Length | 1/4" |
| End Type | Radius |
| Head Dia. | 5/16" |
| Head Length | 1/4" |
| Head Material | Carbide |
| Head Material Grade | Grade C2 Submicron |
| Head Shape | Ball |
| List Number | 310D |
| Material Application | Brass, Bronze, Carbon Steel, Cast Iron, Copper, Nickel Chrome Steel, Stainless Steel, Steel 45 To 60 HRC, Steel Weldment, Titanium |
| Material Category Application | Brass, Bronze, Cast Iron, Copper, Stainless Steel, Steel, Titanium |
| Max. Rpm | 65000 RPM |
| Maximum Operating Speed | 60000 RPM |
| Number Of Ends | 1 |
| Overall Length | 2" |
| Primary Material Application | Brass, Bronze, Carbon Steel, Cast Iron, Copper, Stainless Steel, Steel, Titanium |
| Shank Dia. | 1/4" |
| Shank Material | Steel |
| System Of Measurement | Imperial |
| Trade Number | SD-2 |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Cut Type | Trade Number | Cutting Length | Head Dia. | Max. Rpm | Head Shape | End Type | Head Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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310-002507 | Aluminum | SD-5NF | 0.438" | 1/2" | 65000 RPM | Ball | Radius | Carbide | €56.76 | |
![]() |
310-002520 | Aluminum | SD-1NF | 0.219" | 1/4" | 65000 RPM | Ball | Radius | Carbide | €32.48 | |
![]() |
310-003005 | Aluminum | SD-7NF | 0.688" | 3/4" | 65000 RPM | Ball | Radius | Carbide | €124.06 | |
![]() |
310-002506 | Aluminum | SD-3NF | 0.312" | 3/8" | 65000 RPM | Ball | Radius | Carbide | €38.52 | |
![]() |
310-002508 | Aluminum | SD-6NF | 0.562" | 5/8" | 65000 RPM | Ball | Radius | Carbide | €78.11 | |
![]() |
310-002711 | Double Cut | SD-5L6 | 0.438" | 1/2" | 65000 RPM | Ball | Radius | Carbide | €59.53 | |
![]() |
310-002093 | Double Cut | SD-5 | 0.438" | - | 65000 RPM | Ball | Radius | Carbide | €39.31 |
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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 310-002090 Ball Bur SD, Double Cut, 1/4 Inch Shank Dia, 5/16 Inch Head Dia
€25.50 /unit


