Wc Steel Material 91.8hra for Drill Hole Tungsten Carbide Drill Spiral Twist Bits

• Customized: Customized
• Standard: DIN, JIS, AISI, API
• Length: Taper-length
• Type: Twist Drill Bit
• Material: Tungsten Carbide
• Usage: Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling
• Model NO.: D13-d8*245mm
• Hardness: 91.8hra
• Strength: 3800MPa
• Diameter: 13mm(-0.005~+0.005)
• Flute Length: 52mm
• Overall Length: 245mm
• Flute Diameter: 8mm
• Transport Package: 25kg. Carton
• Specification: D13-d8*245mm
• Trademark: ZZUP
• Origin: Zhuzhou, Hunan, China
• HS Code: 820900100
• Production Capacity: 10000000PCS/Month

Product Description

wc steel material 91.8HRa for drill hole tungsten carbide drill spiral twist bits 


Products description

1. Grade: YL10.2,YG10X,YG12X,YG15,YG20,YG10,YG8,YG8 etc.
2. diameter from 0.3mm~100mm,
3. length from 10mm~1000mm
4. tolerance for diameter (.-0.05~+0.05),tolerance for length (0~+0.2mm).
5. also can make angles of tips are 30º,60º,90º

Product Name	wc steel material 91.8HRa for drill hole tungsten carbide drill spiral twist bits
Material	tungsten carbide
Color	grey
Standard	DIN GB ISO JIS BA ANSI
Grade	YL10.2,YG10X,YG12X,YG15,YG20,YG10,YG8,YG8 etc
Brade	ZZUP
Grain size	0.6um
Used	for milling 45HRC,50HRC,60HRA metals

 

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Grade specification
 

Grade	Density(g/cm3)	Hardness (HRA)	T.R.S (MPa)	Grain size       (μm)	Composition          (%)	Equal to ISO
YU12	14.1~14.15	.≥92.5	≥4000	0.2~0.5	12% CO 88% WC	K40~K50
YL10.2	14.4~14.6	≥92.2	≥4000	0.6~0.8	10% CO 90% WC	K20~K30
YG6X	14.85~15.0	≥92.0	≥3860	0.8~1.0	6% CO 94%  WC	K05
YG15	14.0~14.1	≥85.0	≥2800	1.2~2.0	15%Co 85% WC	K30~K40
YG10	14.5~14.6	≥85.5	≥2600	1.2~2.0	10%Co 90% WC	K20
YG8	14.65~14.85	≥89.5	≥2320	1.2~2.0	8% CO 92% WC	K20
YG6	14.85~15.05	≥90.0	≥2150	1.2~2.0	6% CO 94% WC	K10

sizes and polished details

Diameter(mm)	Length(mm)	grinding and polishing
0.3~1.0	5~330	h6,h7,H6 or H7
1.0~3.0	5~330	h6,h7,H6 or H7
4.0~80	5~1000	h6,h7,H6 or H7

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