[{"id":341324693695,"handle":"1000-2000","title":"$1,000 to $2,000","updated_at":"2026-07-07T19:25:30-04:00","body_html":null,"published_at":"2025-03-18T10:40:58-04:00","sort_order":"alpha-asc","template_suffix":null,"disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"999.99"},{"column":"variant_price","relation":"less_than","condition":"2000.0"}],"published_scope":"web"},{"id":87442325539,"handle":"all","title":"All","updated_at":"2026-07-07T19:44:59-04:00","body_html":"","published_at":"2019-05-25T23:46:42-04:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"100"}],"published_scope":"global","image":{"created_at":"2020-03-13T16:56:33-04:00","alt":null,"width":460,"height":391,"src":"\/\/ca.pittsburghsprayequip.com\/cdn\/shop\/collections\/PerformerES-1.jpg?v=1584132994"}},{"id":82843140131,"handle":"best-selling-products","title":"Best Selling Products","updated_at":"2026-07-07T19:44:59-04:00","body_html":"","published_at":"2019-03-07T16:04:09-05:00","sort_order":"best-selling","template_suffix":"","disjunctive":true,"rules":[{"column":"title","relation":"contains","condition":"Best Selling"},{"column":"title","relation":"not_contains","condition":"Best Selling"}],"published_scope":"web","image":{"created_at":"2019-10-14T12:11:24-04:00","alt":null,"width":2160,"height":2160,"src":"\/\/ca.pittsburghsprayequip.com\/cdn\/shop\/collections\/20191015_001027_0000.png?v=1571069485"}},{"id":373371928767,"handle":"brand-grizzly","title":"Brand Grizzly","updated_at":"2026-07-07T16:43:43-04:00","body_html":null,"published_at":"2026-07-07T12:22:38-04:00","sort_order":"alpha-asc","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"brand-grizzly"}],"published_scope":"web"},{"id":371861487807,"handle":"grizzly","title":"Grizzly","updated_at":"2026-07-06T08:32:52-04:00","body_html":null,"published_at":"2026-06-18T20:08:44-04:00","sort_order":"most-relevant","template_suffix":null,"disjunctive":false,"rules":[{"column":"vendor","relation":"equals","condition":"Grizzly"}],"published_scope":"web"},{"id":373371109567,"handle":"hp-0-125","title":"Hp 0 125","updated_at":"2026-07-07T14:41:00-04:00","body_html":null,"published_at":"2026-07-07T12:21:35-04:00","sort_order":"alpha-asc","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"hp-0-125"}],"published_scope":"web"},{"id":333811548351,"handle":"lm","title":"lm","updated_at":"2026-07-07T19:24:55-04:00","body_html":"","published_at":"2024-11-29T08:05:41-05:00","sort_order":"best-selling","template_suffix":"","disjunctive":true,"rules":[{"column":"tag","relation":"equals","condition":"lowmargin"},{"column":"tag","relation":"equals","condition":"map price"},{"column":"tag","relation":"equals","condition":"map priced item"}],"published_scope":"global"},{"id":82843172899,"handle":"newest-products","title":"Newest Products","updated_at":"2026-07-07T19:44:59-04:00","body_html":"","published_at":"2019-03-07T16:04:10-05:00","sort_order":"created-desc","template_suffix":"","disjunctive":true,"rules":[{"column":"title","relation":"contains","condition":"Newest"},{"column":"title","relation":"not_contains","condition":"Newest"}],"published_scope":"web","image":{"created_at":"2019-10-14T12:00:36-04:00","alt":null,"width":2160,"height":2160,"src":"\/\/ca.pittsburghsprayequip.com\/cdn\/shop\/collections\/binks-2100-right-side-3-4-1_grande_4aeedb33-d516-4ea9-85f9-50e72154176c.jpg?v=1571069397"}},{"id":373371863231,"handle":"phase-single","title":"Phase Single","updated_at":"2026-07-07T18:47:37-04:00","body_html":null,"published_at":"2026-07-07T12:22:23-04:00","sort_order":"alpha-asc","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"phase-single"}],"published_scope":"web"},{"id":373350826175,"handle":"sharpeners","updated_at":"2026-07-07T14:35:36-04:00","published_at":"2026-07-07T14:28:17-04:00","sort_order":"most-relevant","template_suffix":null,"published_scope":"web","title":"Tool\/Drill\/Bit Sharpeners","body_html":"\u003cdiv class=\"pse-seo-intro\"\u003e\u003cp\u003eTool, drill, and bit sharpeners are essential equipment for any machine shop, fabrication facility, or production environment where cutting tools see regular use. These machines restore dull or damaged end mills, drill bits, and specialized cutting tools to precise factory specifications, extending tool life and reducing replacement costs significantly. A quality sharpener maintains critical angles, clearances, and cutting edges that determine part accuracy and surface finish. Pittsburgh Spray Equipment stocks industrial-grade sharpeners from proven manufacturers like Grizzly, designed for shops that depend on consistent, repeatable results. Whether you're sharpening high-speed steel bits or carbide end mills, the right sharpener pays for itself through reduced scrap and downtime. Our selection focuses on machines built for the rigorous demands of tool-and-die shops, CNC facilities, and maintenance departments where precision isn't optional.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2\u003eHow to Choose the Right Tool \/ Drill \/ Bit Sharpeners\u003c\/h2\u003e\n\u003cul class=\"pse-seo-checklist\"\u003e\n \u003cli\u003eIdentify sharpening capacity: wheel diameter and maximum tool length your shop routinely sharpens.\u003c\/li\u003e\n \u003cli\u003eMotor horsepower and spindle speed range—higher speed improves finish on carbide; lower suits HSS.\u003c\/li\u003e\n \u003cli\u003eCheck electrical requirement: single-phase 110\/120V or 220V for shop portability; three-phase for higher-duty machines.\u003c\/li\u003e\n \u003cli\u003eWheel type and grit compatibility: aluminum oxide for steel tools, diamond wheels for carbide—confirm availability.\u003c\/li\u003e\n \u003cli\u003eWork-holding fixtures and indexing accuracy; precision angle blocks ensure repeatable, accurate relief angles.\u003c\/li\u003e\n \u003cli\u003eFootprint and floor space; benchtop units for small shops versus pedestal-mount for high-volume environments.\u003c\/li\u003e\n \u003cli\u003eWarranty coverage and spare parts availability—critical for minimizing tool downtime during repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eModel Comparison\u003c\/h2\u003e\n\u003cdiv class=\"pse-seo-compare-wrap\"\u003e\u003ctable class=\"pse-seo-compare\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSharpening Capacity\u003c\/th\u003e\n\u003cth\u003eMotor \/ Spindle Speed\u003c\/th\u003e\n\u003cth\u003eVoltage \/ Phase\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrizzly G0921 End Mill Sharpener\u003c\/td\u003e\n\u003ctd\u003eEnd mills up to 1\" diameter\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP, 3450 RPM\u003c\/td\u003e\n\u003ctd\u003e110V Single-Phase\u003c\/td\u003e\n\u003ctd\u003eCall for pricing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"pse-seo-faqs\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003cdiv class=\"pse-seo-faq\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eWhat's the difference between sharpening high-speed steel versus carbide end mills?\u003c\/h3\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eHSS tools tolerate slightly higher sharpening temperatures and coarser wheels; carbide demands cooler grinding speeds and diamond wheels to avoid thermal damage. Carbide sharpening requires finer precision on relief angles—typically 5–8 degrees versus 10–15 for HSS. Using wrong wheel or speed on carbide causes chipping and fracture.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pse-seo-faq\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eCan I sharpen both drills and end mills on the same machine?\u003c\/h3\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eMost universal sharpeners handle both, but fixtures differ. Drill sharpening requires chisel-edge and flute-angle fixtures; end mill work needs relief-angle blocks and indexing heads. Verify your machine includes both fixture sets or confirm compatibility before purchase.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pse-seo-faq\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eDo I need 220V three-phase power, or will single-phase 110V work for my small shop?\u003c\/h3\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eSingle-phase 110\/120V is adequate for benchtop sharpeners under 1 HP, like the Grizzly G0921. Three-phase becomes necessary for larger pedestal units (2+ HP) with higher spindle speeds. Check your shop's electrical service before ordering to avoid costly rewiring.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pse-seo-faq\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eHow often should I dress or replace sharpening wheels?\u003c\/h3\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eAluminum oxide wheels dressed every 5–10 sharpenings maintain true geometry; diamond wheels last much longer but cost more upfront. Dressing frequency depends on tool volume and material hardness. Worn wheels produce poor surface finish and inaccurate angles—inspect regularly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pse-seo-faq\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n \u003ch3 itemprop=\"name\"\u003eWhat maintenance keeps a sharpener accurate over years of production use?\u003c\/h3\u003e\n \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eKeep spindle bearings clean and properly lubricated per manufacturer spec. Check spindle runout monthly using a dial indicator—runout over 0.001\" causes chatter and poor edge finish. Store wheels covered to prevent moisture absorption. Verify angle-block calibration quarterly using precision gage blocks.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"},{"id":373373239487,"handle":"type-sharpeners","title":"Type Sharpeners","updated_at":"2026-07-07T12:23:18-04:00","body_html":null,"published_at":"2026-07-07T12:23:17-04:00","sort_order":"alpha-asc","template_suffix":null,"disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"type-sharpeners"}],"published_scope":"web"}]
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Keep money in your wallet by sharpening your own end mills!
This G0921 End Mill Sharpener won’t take up much room in your shop, but will deliver big results. This portable machine will grind 2-flute, 3-flute, 4-flute and 6-flute end mills, allowing you to get the most out of your tooling. No need to grow your scrap pile or send the end mills to a commercial shop for sharpening any longer.
Thanks to the simple operational design, it takes zero experience to produce amazing results. The G0921 features two grinding wheels, one for carbide bits and one for HSS bits, to help you resurface face angles from 0° to 3°.
This End Mill Sharpener comes with six ER-20 collets ranging in size from 3/16" to 9/16". All of these are contained on the collet rack within the built-in storage compartment.
Like all Grizzly machines, the G0921 comes with a 1-year warranty which covers parts and assures the unit is free from factory defects. (Consumables are not covered by the warranty.)
The G0921 spec sheet was written by our U.S. based Technical Documentation Department and is packed with useful information.
The Grizzly Technical Support team is U.S. based. Parts and accessories are available online and shipped from the Grizzly parts warehouse in Springfield, MO.
Made in an ISO 9001 factory
SPECIFICATIONS:
Motor: 1/8 HP, 110V, single-phase, 15A
The six ER-20 collets include: 3/16", 1/4", 5/15", 3/8", 1/2", & 9/16"
The grinding wheel bore size is 1/2",
The grinding wheel maximum diameter is 3".
The grinding wheel maximum width is 3/8".
The SD230 grinding wheel is 230 grit.
The CBN grinding wheel is 230 grit.
The maximum grinding wheel speed is 4400RPM.
Allows end mill bit diameters from 5/32" to 9/16".
The minimum end mill bit length is 1-3/4".
Grinds at adjustable angles from 0° to 3°.
Grinds 2-flute, 3-flute, 4-flute and 6-flute end mills.
Footprint: 12" x 6-12"
Approximate shipping weight: 32 lbs.
FEATURES:
SD230 Grinding Wheel (for Carbide Bits)
CBN Grinding Wheel (for HSS Bits)
Two ER-20 Chucks (4-sided & 6-sided)
Six ER-20 Collets (3/16", 1/4", 5/16", 3/8", 1/2", 9/16")
Storage Compartment with Collet Rack
Sharpens 2-flute, 3-flute, 4-flute and 6-flute end mills
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Join us and Save 5% on your first order
As a subscriber you will receive the following perks:
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Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
If you have questions please contact us at 866 373 5658
Shipping and Returns
Shipping should be simple
We offer free shipping on orders over $80, less than $80 we charge a single flat rate fee of $8.50
Our primary carriers include UPS and USPS and for large items a variety of freight carriers.
Please note for certain product categories particularly filters there is at times an additional charge for shipping.
Shipping policy exceptions
Not all products qualify for free shipping.
No-Hassle Returns
Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
If you have questions please contact us at 866 373 5658
Shipping and Returns
Shipping should be simple
We offer free shipping on orders over $80, less than $80 we charge a single flat rate fee of $8.50
Our primary carriers include UPS and USPS and for large items a variety of freight carriers.
Please note for certain product categories particularly filters there is at times an additional charge for shipping.
Shipping policy exceptions
Not all products qualify for free shipping.
No-Hassle Returns
Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
