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1. This is a set of twist drill, construction drill and woodworking drill.
2. Twist drills are made of 4241 high-speed steel, construction drills are made of 45# carbon steel, and carpentry drills are made of 45# carbon steel.
3. The specifications of the twist drill are: 2/3/4/5/6/8mm, the specifications of the construction drill are 4/5/6/8/10mm, and the specifications of the woodworking drill are 4/5/6/8/10mm.
16PCS Combination Drill Bit Set
1. Twist drills are made of 4241 high-speed steel, construction drills are made of 45# carbon steel, and carpentry drills are made of 45# carbon steel.
2. The process of these three drill bits:
1) Rolled and edge-cleaned roasted jute twist drill: according to DIN338 standard, the material is 4241#HSS, rolled, the whole drill bit is heat-treated in a salt bath furnace, and the hardness reaches HRC60; the opening angle of the head is 118°, and the opening angle of the head is more than 4mm. The diameter error of the drill bit is within 3 wires; the surface of the drill bit is roasted yellow.
2) Powerful milling sandblasting construction drill: according to the national standard, the material is 45# carbon steel, heat treatment; milling by automatic milling machine, surface sandblasting; the cutter head is YG8C forming cutter head;
3) Ordinary margin woodworking drill: according to the national standard, the material is 45# carbon steel, rolled (margin);
3. The specifications of these three drills:
1）Twist drill bits：2/3/4/5/6/8mm；
2）Masonry drill bits：4/5/6/8/10mm；
3）Wood Working drill bits：4/5/6/8/10mm；
4. APPLICATION--Can be used to drill holes in metals, plastics, and woods.
5. PACKING--Plastic box packaging, easy to store and carry, but also anti-rust.
| Brand | CROWNMAN |
| Name | 16PCS Combination Drill Bit Set |
| Material | 4241 high-speed steel and carbon steel |
| Size | Twist drill bits：2/3/4/5/6/8mm；Masonry drill bits：4/5/6/8/10mm； Wood Working drill bits：4/5/6/8/10mm； |
| Application | Use to drill holes in metals, plastics, and woods |
| Color | Amber color、Satin Finish、Black |
| Packing | Plastic Box |
WHY CHOOSE CROWNMAN?
Competitive Price - The mature supply chain system and large warehouse ensure that our products are highly competitive in cost and price.
Superior Quality - Quality supervision of the whole process of production from raw materials, manufacturing, packaging, and warehousing to container loading.
On-Time Delivery - The mature logistics management system and geographical advantage ensure that our OTD rate reaches 100%.
Hot Tags: 16pcs combination drill bit set, China, suppliers, manufacturers, factory, wholesale, bulk, buy, price, pricelist, quotation, in stock, made in China
16PCS Combination Drill Bit Set
1. Twist drills are made of 4241 high-speed steel, construction drills are made of 45# carbon steel, and carpentry drills are made of 45# carbon steel.
2. The process of these three drill bits:
1) Rolled and edge-cleaned roasted jute twist drill: according to DIN338 standard, the material is 4241#HSS, rolled, the whole drill bit is heat-treated in a salt bath furnace, and the hardness reaches HRC60; the opening angle of the head is 118°, and the opening angle of the head is more than 4mm. The diameter error of the drill bit is within 3 wires; the surface of the drill bit is roasted yellow.
2) Powerful milling sandblasting construction drill: according to the national standard, the material is 45# carbon steel, heat treatment; milling by automatic milling machine, surface sandblasting; the cutter head is YG8C forming cutter head;
3) Ordinary margin woodworking drill: according to the national standard, the material is 45# carbon steel, rolled (margin);
3. The specifications of these three drills:
1）Twist drill bits：2/3/4/5/6/8mm；
2）Masonry drill bits：4/5/6/8/10mm；
3）Wood Working drill bits：4/5/6/8/10mm；
4. APPLICATION--Can be used to drill holes in metals, plastics, and woods.
5. PACKING--Plastic box packaging, easy to store and carry, but also anti-rust.
| Brand | CROWNMAN |
| Name | 16PCS Combination Drill Bit Set |
| Material | 4241 high-speed steel and carbon steel |
| Size | Twist drill bits：2/3/4/5/6/8mm；Masonry drill bits：4/5/6/8/10mm； Wood Working drill bits：4/5/6/8/10mm； |
| Application | Use to drill holes in metals, plastics, and woods |
| Color | Amber color、Satin Finish、Black |
| Packing | Plastic Box |
WHY CHOOSE CROWNMAN?
Competitive Price - The mature supply chain system and large warehouse ensure that our products are highly competitive in cost and price.
Superior Quality - Quality supervision of the whole process of production from raw materials, manufacturing, packaging, and warehousing to container loading.
On-Time Delivery - The mature logistics management system and geographical advantage ensure that our OTD rate reaches 100%.
Hot Tags: 16pcs combination drill bit set, China, suppliers, manufacturers, factory, wholesale, bulk, buy, price, pricelist, quotation, in stock, made in China
