Drillpro 13/19/25 PCS HSS 1-13mm Drillpro M35 Bit Set Cobalt Twist Drill Bit
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Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471M35 cobalt 5% cobalt added for added hardness and heat resistance. Rockwell hardness is up to 67. It can cut faster and has a long life, up to 12 times compared to the average HSS bit.
Self-centering! The 135 u00b0 cutting guide gap is self-centering, which can penetrate quickly with less pressure. The straight shank can be fixed firmly and precisely centered, which is suitable for standard chuck and conventional round chuck.
Efficient drilling without walking. Remove chips and particles easier and faster.
Lowest cost per hole drilled. The solid cobalt steel bit body can be re-sharpened.
Split point? Drill directly to size without pre-drilling
Fully ground Fully rugged ground body construction for minimal burr and accurate diameter.
Drill bits for metal. Suitable for drilling non-heat treated metals, whose hardness is lower than HRC38, such as stainless steel, copper cast iron, galvanized pipe, iron and aluminum alloy. Not suitable for mild steel / high carbon steel. If penetration is not possible, try adjusting the speed.
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Cobalt bits require slow RPM when drilling metals. Suggested RPMs are for your reference only. It can vary from different materials. You can start from a lower RPM and adjust it more slowly. Once the bit can enter the workpiece. Adjustment should be stopped.
Specification
| Brand | Drillpro |
| Product name | Drillpro M35 Bit Set Cobalt Twist Drill |
| Material | Hss-co M35 cobalt |
| Size (optional) | 13pcs: 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0 6.5mm 19pcs: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0mm 25pcs: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0, 10.5, 11.0, 11.5, 12.0, 12.5, 13. 0mm |
| Measuring system | Metrics |
| Stem type | Straight handle |
| The amount of | 13/19 / 25pcs + metal case |
| Diameter (mm) | Total length (mm) | Running length (mm) | RPM suggested |
| 1 | 3. 4 | 12 | 3000 |
| 1.5 | 39 | 17 | 2400 |
| 2 | 48 | 22 | 1800 |
| 2.5 | 55 | 30 | 1600 |
| 3 | 62 | 33 | 1400 |
| 3.5 | 69 | 38 | 1200 |
| 4 | 74 | 44 | 1000 |
| 4.5 | 79 | 48 | 900 |
| 5 | 86 | 52 | 800 |
| 5.5 | 93 | 58 | 750 |
| 6 | 93 | 58 | 700 |
| 6.5 | 100 | 64 | 650 |
| 7 | 109 | 70 | 600 |
| 7.5 | 109 | 70 | 550 |
| 8 | 116 | 75 | 500 |
| 8.5 | 116 | 75 | 450 |
| 9 | 125 | 83 | 400 |
| 9.5 | 125 | 83 | 325 |
| 10 | 133 | 90 | 350 |
Package Included:
| 13/19/25 X | Drillpro M35 Cobalt Bit Set |
| 1 x | box |
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