19PCS HSS Straight Shank Tin-Coated Twist Drill Bit Set (GM-dB011)

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Jiangsu

  • Validity to:

    Long-term effective

  • Last update:

    2017-12-25 17:04

  • Browse the number:

    33

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Company Profile

Zhuzhou Grewin Tungsten Carbide Tools Co., Ltd.

By certification [File Integrity]

Contact:Ms. Amy Zhou(Mr.)  

Email:

Telephone:

Phone:

Area:Jiangsu

Address:Jiangsu

Website: http://gmindustry.zzhlyq.com/

Product details



Description 19pcs HSS Tin-Coated Drill Bits Set 
Item no.: GM-DB011
Material HSS 4241/ HSS 4341/ HSS 6542/ HSS M35
Technical process Roll-forged, half ground, fully ground
Shank Straight shank
Drill surface Tin-coated
Tip angle 118 degree, split point is also optional
Size Metric:1.0~10.0mm*0.5mm,
Package  Metal case
Color sleeve or color box is also avaliable
MOQ 500 sets
Application Metal, steel plate, stainless steel
Payment terms T/T, D/P, L/C, Paypal, Western Union, ect.
Delivery time 15~35 days
Unit price Contact us to get latest price (Larger quantity, more discount)


Chemical composition  
Material Component (%)
HSS 4241 C (0.9~1.0); Si(1.0~1.3); Mn(0.25~0.4); P(0~0.035); S(0~0.009); 
Cr(3.8~4.2); Mo(0.55~0.85); W(1.6~2.0); V (0.4~0.65); Co(0)
HSS 4341 C (0.83~0.93); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009); 
Cr(3.8~4.4); Mo(2.5~3.5); W(3.5~4.5); V (1.2~1.8); Co(0)
HSS 6542 (M2) C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009); 
Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9); V(1.8~2.0); Co(0)
HSS 9341 C (0.77~0.87); Si(0.2~0.4); Mn(0.2~0.4); P(0~0.03); S(0~0.009); 
Cr(3.8~4.4); Mo(2.7~3.3); W(8.5~9.5); V(1.3~1.7); Co(0)
HSS M35 (Co5%) C (0.8~0.9); Si(0.2~0.45); Mn(0.15~0.4); P(0~0.03); S(0~0.009); 
Cr(3.8~4.4); Mo(4.6~4.9); W(5.6~5.9);V(1.8~2.0); Co(4.6~4.9)