Chicago-Latrobe
Chicago-Latrobe 550-TA Heavy-Duty Cobalt Drill, #8 44978. ✅Chicago-Latrobe authorized distributor ✅. ☎ (800) 884-5767 Mon-Fri 8:00 AM - 5:00 PM ET or order online 24/7
Gallery
Attributes
| Brand name, Manufacturer name, Extra Product Name | Chicago-Latrobe |
|---|---|
| Manufacturer | Chicago-Latrobe Greenfield Greenfield Industries |
| DimensionUnit | inch |
| GraingerSku | 434D62 |
| UPC | 662355449783 |
| UnitOfMeasure | EA |
| Weight | 0.02 0.53 |
| WeightUnit | lbs |
| cali_prop65_orglabel, cali_prop65_whtlabel, AdultProduct, Autographed, Batteries_required, Memorabilia, TradeInEligible | False |
| countryOfOrigin | US |
| extendedLead | 8 |
| extendedQty | -2 |
| height, width | 0.37 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1.5 |
| moq, multiple, Number_of_items | 12 |
| MPN, ModelNumber, Model_number, Mpns, PartNumber, Part_number, StrippedMpns | 44978 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G2821913 |
| tierMinQty1 | 1 |
| tierPrice1 | 7.10 |
| url | https://www.zoro.com/chicago-latrobe-135-heavy-duty-cobalt-jobber-length-drill-chicago-latrobe-550-ta-tialn-hss-co-8-m42-rhsrhc-8-44978/i/G2821913/ |
| Drill Bit Grouping | Drill Bit |
| Item | Jobber Length Drill Bit |
| Drill Bit Dimension Type, Measurement System | Wire |
| Drill Bit Size, Size | #8 |
| Shank Type, Shank Type - Machining | Straight |
| Drill Bit Point Angle | 135 Degrees |
| Drill Bit Material, Material - Machining | Cobalt |
| Decimal Equivalent | 0.1990 |
| Drill Bit Finish, Finish - Machining | TiAlN |
| Flute Type | Spiral |
| Material | Cobalt Cobalt Steel |
| Point Angle | 135 |
| Coolant Fed | Non-Coolant Through |
| Shank Dia | 3/16 in |
| Overall Length | 3 5/8 in |
| Cutting Direction, Spiral Direction | Right Hand |
| Number of Flutes | 2 |
| Flute Length | 2 7/16 in |
| Maximum Drilling Depth | 25/32 in |
| Grade | Heavy Duty |
| Standards | ANSI, NAS 907 Type J |
| List Number | 550-TA |
| Coolant Through | No |
| Application | Stainless Steel, Tool Steel, Alloy Steel, Titanium, Cast Iron |
| Point Type, Drill Bit Point Type | Split Point |
| Depth x Dia Ratio, Depth:Dia Ratio | 4xD |
| Left/Right Hand | Right |
| Shank Length | 1 3/16 in |
| Shank Size, Diameter | 0.199 |
| Drill Style | Jobber Drill |
| Helix Angle | 28 Degrees |
| Primary Material Application | Stainless Steel, Steel, Titanium, Tool and Die Steel |
| Primary Material Application ISO Code | M, P, S |
| Drill Diameter Tolerance | +0.0000 in /-0.0007 in |
| Drill Length Class | Jobber Length |
| Drill Point Length | 0.0412 in |
| Aircraft Drill | Yes |
| Material Grade - Machining | M42 |
| Series | 55TA |
| Country of Origin (subject to change) | United States |
| Asin | B0025PYK4U B09TJP7QPF |
| Brand | Chicago Latrobe |
| Bullet_point | Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials Extra thick web provides increased strength and rigidity compared to standard drill bits Jobber length drill bit has a midrange drilling depth for general-purpose applications Made in the USA Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging Titanium aluminum nitride (TiAlN) coating provides wear and corrosion resistance in high-speed or heavy feed-rate drilling |
| ClassificationId | 256275011 6001488011 |
| Currency | USD |
| Cutting_angle_string | 135.0 |
| DisplayName | Combination Drill & Taps Jobber Drill Bits |
| Finish_type | Titanium Aluminum Nitride |
| Height | 0.49999999949 0.5 1.27 13 14 2133 2139 2308 303 307 500 600 75 89 90 |
| Identifier | 00662355449783 0662355449783 662355449783 |
| IdentifierType | EAN GTIN UPC |
| ItemClassification | BASE_PRODUCT |
| ItemName, Item_name | Chicago Latrobe 550TA Cobalt Steel Jobber Length Drill Bit, TiAlN Coated, Round Shank, 135 Degree Split Point, Wire Size #8 (Pack of 12) Greenfield 44978 550TA #8 HSCO JOBBER TIALN (44978) (12/Each) |
| Item_package_quantity, PackageQuantity | 1 12 |
| Item_package_weight, Item_weight | 0.53 |
| Item_type_keyword | combination-drill-and-taps jobber-drill-bits |
| Keyword | 2716 G2737052 |
| Length | 10.16 5.99999999388 6 6.0 |
| Link | https://m.media-amazon.com/images/I/21a7yHPbhdL._SL75_.jpg https://m.media-amazon.com/images/I/21a7yHPbhdL.jpg https://m.media-amazon.com/images/I/31aILNQfCPL._SL75_.jpg https://m.media-amazon.com/images/I/31aILNQfCPL.jpg https://m.media-amazon.com/images/I/31nn+e0MvZL._SL75_.jpg https://m.media-amazon.com/images/I/31nn+e0MvZL.jpg https://m.media-amazon.com/images/I/31uCYcgqR1L._SL75_.jpg https://m.media-amazon.com/images/I/31uCYcgqR1L.jpg https://m.media-amazon.com/images/I/41Fs306DCWL._SL75_.jpg https://m.media-amazon.com/images/I/41Fs306DCWL.jpg https://m.media-amazon.com/images/I/51G545D8MdL._SL75_.jpg https://m.media-amazon.com/images/I/51G545D8MdL.jpg https://m.media-amazon.com/images/I/51gCq6GRsbL.jpg https://m.media-amazon.com/images/I/61NED-utjfL.jpg https://m.media-amazon.com/images/I/71UimbFz-xL.jpg https://m.media-amazon.com/images/I/81TLv2tFnKL.jpg https://m.media-amazon.com/images/I/91AUJRBIFpL.jpg https://www.amazon.com/gp/bestsellers/hi https://www.amazon.com/gp/bestsellers/hi/256275011 |
| List_price | 130.44 |
| Mfg_series_number | 550TA |
| ParentAsins | B006O2S44C |
| ProductType | DRILL_BITS |
| Product_site_launch_date | 2011-02-09T08:00:01.000Z 2024-05-22T22:18:10.683Z |
| Rank | 1480156 4639 |
| String_value | 2-7/16 |
| Surface_recommendation | Aluminum,Steel |
| Title | Jobber Drill Bits Tools & Home Improvement |
| Type | Count Round Spiral VARIATION ean gtin upc |
| Unit | centimeters degrees inches pounds |
| Unit_count | 12.0 |
| Variant | MAIN PT01 PT02 PT03 PT04 |
| WebsiteDisplayGroup | biss_basic_display_on_website home_improvement_display_on_website |
| WebsiteDisplayGroupName | BISS Basic |
| Width | 1464 15.24 1710 1711 2130 2248 3.99999999592 343 4 4.0 487 498 500 51 600 73 75 |
Distributor offers
| Seller | SKU | MOQ | In stock | Multiple | Prices |
|---|---|---|---|---|---|
| G2821913 | 12 | 12 | 1 @ $7.10 | ||
| 44978 | 1 | 1 | 1 @ $7.38 | ||
![]() bscsource.com | 44978 | 1 | 1 | 1 @ $14.69 | |
| WBB2542869 | 12 | -2 | 12 | 1 @ $7.20 | |
| sustainablesupply.com | C2764674 | 1 | -2 | 1 | 1 @ $9.53 |
![]() Guardian | 06130835 | 1 | -2 | 1 | 1 @ $16.93 |
| 44978 | 14 | -2 | 12 | 1 @ $7.38 | |
| 44978 | 1 | -2 | 1 | 1 @ $7.38 | |
| 06130835 | 12 | -2 | 12 | 1 @ $12.12 | |
![]() MRO Supply | 6128578 | 1 | 1 | 1 @ $6.48 | |
| 6130835 | 12 | -2 | 12 | 1 @ $13.64 |
Related on Amazon
As an Amazon Associate, we earn from qualifying purchases. (paid link) CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
Chicago Latrobe 550TA Cobalt Steel Jobber Length Drill Bit, TiAlN Coated, Round Shank, 135 Degree Split Point, Wire Size #8 (Pack of 12)
Brand: Chicago Latrobe
Details
- Jobber length drill bit has a midrange drilling depth for general-purpose applications
- Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
- Titanium aluminum nitride (TiAlN) coating provides wear and corrosion resistance in high-speed or heavy feed-rate drilling
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Extra thick web provides increased strength and rigidity compared to standard drill bits
- Made in the USA
Greenfield 44978 550TA #8 HSCO JOBBER TIALN (44978) (12/Each)
Brand: Chicago Latrobe


