Step Drills (HSS)（work material：general steel）

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  RCD Counter Sinking Drill for Hex Socket Head Cap Screws

  NACHI(FUJIKOSHI)

  [Features]
  ·A stepped drill bit for counterbore processing of bolts with hex socket r.

  Hole diameter (drill diameter) D(mm)	Overall Length L(mm)	Groove Length L(mm)	work material	Shank Type	Tool Material Type	With/without Oil Hole	Coating Y/N	Coating Type
  -	65 ～ 135	25 ～ 85	general steel[○]	straight shank	High-speed steel	NA	NA	Non-Coated

  From: ₹ 2,559.55
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

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  Tapered Shank, Subland Drill 90°, Chamfer Type N 541

  GUHRING

  Chamfering and drilling can be performed in one step.

  Hole diameter (drill diameter) D(mm)	Overall Length L(mm)	Groove Length L(mm)	work material	Shank Type	Tool Material Type	With/without Oil Hole	Coating Y/N	Coating Type
  6.8 ～ 17.5	162 ～ 248	81 ～ 150	general steel[○]	Taper shank	High-speed steel	NA	Available	Other

  From: ₹ 11,441.07
  Days to Ship: 23 Day(s) or more

  23 Day(s) or more

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  Hexagonal Bolt Drill with Step For Submerged Use R Type DCB-TRM

  EIKOSHA

  [Features]
  · A stepped HSS drill capable of counterboring hex bolt heads.
  · Tapered shank.
  * Be sure to check the bolt cap's maximum diameter and drill counterbore diameter.
  

  Hole diameter (drill diameter) D(mm)	Overall Length L(mm)	Groove Length L(mm)	work material	Shank Type	Tool Material Type	With/without Oil Hole	Coating Y/N	Coating Type
  5.3 ～ 25	120 ～ 275	22 ～ 70	general steel[○]	Taper shank	High-speed steel	NA	NA	-

  From: ₹ 7,381.67
  Days to Ship: 6 Day(s) or more

  6 Day(s) or more

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  Straight Shank, Light Brand Drill, 90° Chamfer Type N 540

  GUHRING

  Chamfering and drilling can be performed in one step.

  Hole diameter (drill diameter) D(mm)	Overall Length L(mm)	Groove Length L(mm)	work material	Shank Type	Tool Material Type	With/without Oil Hole	Coating Y/N	Coating Type
  2.5 ～ 4.2	70 ～ 93	39 ～ 57	general steel[○]	straight shank	High-speed steel	NA	Available	Other

  From: ₹ 5,545.05
  Days to Ship: 7 Day(s) or more

  7 Day(s) or more

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  Hexagonal Bolt Drill with Step For Submerged Use Z Type DCB-TZM

  EIKOSHA

  A type of stepped drill that integrates functions of drilling and fluting (HSS).
  [Features]
  · Hole drilling for hex socket head bolt and countersinking can be performed simultaneously.
  · Tapered shank.
  [Applications]
  · Ideal for simultaneous machining involving drilling and sinking.

  Hole diameter (drill diameter) D(mm)	Overall Length L(mm)	Groove Length L(mm)	work material	Shank Type	Tool Material Type	With/without Oil Hole	Coating Y/N	Coating Type
  3.4 ～ 33	110 ～ 335	13 ～ 100	general steel[○]	Taper shank	High-speed steel	NA	NA	-

  From: ₹ 6,485.33
  Days to Ship: 6 Day(s) or more

  6 Day(s) or more

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  Hexagonal Bolt Drill with Step For Submerged Use DCB-SRM

  EIKOSHA

  Step drill (HSS) with integrated drill fluting.
  [Features]
  · Hole drilling for hex socket head bolt and countersinking can be performed simultaneously.
  · A straight shank.
  [Applications]
  · Ideal for simultaneous machining involving drilling and sinking.

  Hole diameter (drill diameter) D(mm)	Overall Length L(mm)	Groove Length L(mm)	work material	Shank Type	Tool Material Type	With/without Oil Hole	Coating Y/N	Coating Type
  3.4 ～ 20	65 ～ 145	13 ～ 45	general steel[○]	straight shank	High-speed steel	NA	Available	Other

  From: ₹ 4,193.98
  Days to Ship: 5 Day(s) or more

  5 Day(s) or more

Brand
Product Series
From
Days to Ship
Hole diameter (drill diameter) D(mm)
Overall Length L(mm)
Groove Length L(mm)
work material
Shank Type
Tool Material Type
With/without Oil Hole
Coating Y/N
Coating Type

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Brand	NACHI(FUJIKOSHI)	GUHRING	EIKOSHA	GUHRING	EIKOSHA	EIKOSHA
Product Series	RCD Counter Sinking Drill for Hex Socket Head Cap Screws	Tapered Shank, Subland Drill 90°, Chamfer Type N 541	Hexagonal Bolt Drill with Step For Submerged Use R Type DCB-TRM	Straight Shank, Light Brand Drill, 90° Chamfer Type N 540	Hexagonal Bolt Drill with Step For Submerged Use Z Type DCB-TZM	Hexagonal Bolt Drill with Step For Submerged Use DCB-SRM
From	₹ 2,559.55	₹ 11,441.07	₹ 7,381.67	₹ 5,545.05	₹ 6,485.33	₹ 4,193.98
Days to Ship	5 Day(s) or more	23 Day(s) or more	6 Day(s) or more	7 Day(s) or more	6 Day(s) or more	5 Day(s) or more
Hole diameter (drill diameter) D(mm)	-	6.8 ～ 17.5	5.3 ～ 25	2.5 ～ 4.2	3.4 ～ 33	3.4 ～ 20
Overall Length L(mm)	65 ～ 135	162 ～ 248	120 ～ 275	70 ～ 93	110 ～ 335	65 ～ 145
Groove Length L(mm)	25 ～ 85	81 ～ 150	22 ～ 70	39 ～ 57	13 ～ 100	13 ～ 45
work material	general steel[○]	general steel[○]	general steel[○]	general steel[○]	general steel[○]	general steel[○]
Shank Type	straight shank	Taper shank	Taper shank	straight shank	Taper shank	straight shank
Tool Material Type	High-speed steel	High-speed steel	High-speed steel	High-speed steel	High-speed steel	High-speed steel
With/without Oil Hole	NA	NA	NA	NA	NA	NA
Coating Y/N	NA	Available	NA	Available	NA	Available
Coating Type	Non-Coated	Other	-	Other	-	Other

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