Chinese Factory HSS Spiral Flute Step Drill for Metal Drilling

• Customized: Customized
• Length: 75mm
• Type: Core Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Cutter Type: Core Drill Bit
• Model NO.: SSAS
• Shank Type: Thread Shank Cutter Surface
• Treatment: All-Ground
• Performance: Better Endurance
• Transport Package: Single Packing with PVC Plastic Tube
• Specification: 68mm
• Trademark: CHTOOLS
• Origin: China(Mainland)Zhejiang
• HS Code: 8207509000
• Production Capacity: 100, 000PCS/Month

Product Description

Production process

 

Chinese Factory HSS Step Drill for Metal Drilling

1,The materials contains common HSS, HSS-E, etc., it is applicable to drilling of various materials, such as steel, cast iron, and stainless steel;
2,Precision grinding of CNC grinder;
3,The product specification is complete, and the chip removal groove includes straight groove and spiral groove;
4,TiN, TiAlN and other coating treatment could be conducted to prolong life.

TYPE	SIZE (Metric)	Overall Length
SSAS-101	4,6,8,10,12	65
SSAS-111	4,6,8,10,12	65
SSAS-102	4,5,6,7,8,9,10,11,12	65
SSAS-112	4,5,6,7,8,9,10,11,12	65
SSAS-103	4,6,8,10,12,14,16,18,20	75
SSAS-105	6,8,10,12,14,16,18,20,22,24,26,28,30	98
SSAS-104	6,9,13,16,19,21,23,26,29,32,35,38	100
SSAS-113	6,8,10,12,14,16,18	68
SSAS-106	7,10.5,12.5,14.5,16.5,18.5,20.5,23.5,25.5,30.5,32.5,38.5,40.5	115
SSAS-110	5,7,9,11,13,15,17,19,21,23,25	85
SSAS-114	4,6,8,10,12,14,16,18,20,22	81
SSAS-115	5,7.5,10,13,16,19,21,23,26,29,31,33,35	104