Utoolmart 2 Pcs Diamond Twist Drill Bits, 0.8mm Jobber Drill Bits High Speed Steel HSS

Utoolmart 2 Pcs Diamond Twist Drill Bits, 0.8mm Jobber Drill Bits High Speed Steel HSS for Glass Sea Shells Stone Tiles

Utoolmart 2 Pcs Diamond Twist Drill Bits, 0.8mm Jobber Drill Bits High Speed Steel HSS

The diamond drill bits will generate a lot of heat energy during high-speed rotation. Please add water to cool the drill bit, otherwise the temperature will be too high and the diamond particles will fall off. Made of HSS twist drill bit and then electroplated diamond particles, so the part of the drill edge will be thicker. This diamond twist drill bits can not be used for grinding. The coating of the diamond drill bits after the grinding has been damaged, and can only be used as an ordinary HSS drill bit.

Key Features

• ✅ ?Parameter?- Drill Bit Diameter: 0.8mm/0.03-inch; Material: HSS, Emery; Surface Treatment: Electroplated Emery; Flute Type: Spiral.
• ✅ ?Material?- Diamond coated high speed steel(HSS) is made by spiral technology, has both toughness and hardness, is not easy to break. The drill bit is sharp, and is easy for chip removal.
• ✅ ?Applicable Machine?- Widely used in rotary tool such as hand drills, drill press, flex shafts, bench drill and hanging mill.
• ✅ ?Wide Application?- Suitable for drilling small holes on glass, metal, sea shells, jade, pearls, marbles, stones, drywalls and son on. Due to the different hardness of the material, the effect is also different.
• ✅ ?Note?- When drilling, it is necessary to add cutting fluid in time to lubricate and cool down, which can get a better drilling hole wall, extends the service life and drilling accuracy.

Shipping & Guarantees

• ✅ FREE standard shipping within the United States (3–6 business days)
• ✅ 100% money-back guarantee for lost or damaged items
• ✅ Secure checkout with encrypted payment processing
• ✅ Shipping via UPS, FedEx, and USPS
• ✅ Ships to lower 48 states only (no PO Boxes / APO / FPO)

Returns

• ✅ 30-day hassle-free returns
• ✅ Items must be unused and in original packaging
• ✅ Full refund if item is not delivered
• ✅ Guaranteed delivery within 6–7 business days

Payment Methods

✅ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay

Customer Support

✅ Questions? Contact us at Support@GiftAbay.com
We respond within 24 hours on business days.