Supreme Professional Quality T.C.T. HSS Twist Drill Bit DIN338 Rn Cylindrical Shank for Metal Steel Stainless Steel Alloyed Unalloyed Non-Ferrous Metal Drilling

• Customization: Available
• Customized: Customized
• Standard: DIN
• Model NO.: 905
• Length: 22mm to 151mm
• Type: Twist Drill Bit
• Material: Tungsten Carbide
• Usage: Metal Drilling
• Carbide Type: K20
• Steel Type: 4341
• Structure: 0.5mm to 2.5mm Solid Carbide, 3mm to 13mm T.C.T.
• Flute Type: N
• Rotation Direction: Right Hand
• Surface Treatment: Oxynitrided
• Tip Point: 0.5mm to 13mm 118degree
• Marking: Stamped Marking
• Standard Type: DIN338rn
• Shank Type: Cylindrical Shank
• Fitness: H8 Standard
• Transport Package: Blister, Skin, PVC Bag, Color Paper Hanger, Paper
• Specification: 0.5mm to 13mm diameter
• Trademark: OEM, HTT
• Origin: China
• HS Code: 8207509000
• Production Capacity: 4800000PCS/Year

Product Description

*T.C.T. HSS 4341 Twist Drill Bit Blank with K20 carbide tipped, Fully Ground, Oxynitrided finish, DIN338RN ,Cylindrical Shank for drilling holes in various metal sheets, stainless steel, inox sheet, alloyed steel, unalloyed steel, non-ferrous metal, stainless steel sheet, fiberboard, wood board, etc.

* Strict and special hardening craftsmanship to realize the 4341 HSS durability and sharpness maintained for a long time.

* Fully ground does the precise size controlling under DIN338 standard and run-out concentricity under DIN1414 for H8 correctness touching.

* K20 carbide especially for those rough metal and steel drilling easier than HSS twist drills.



*Other special sizes are also available on the customers' special request.
*Diameter 0.5mm to 2.5mm in solid carbide, 3mm to 13mm in T.C.T. structure

Item Number	Diameter(mm)	Working Length(mm)	Overall Length(mm)
905.338005	0.5*	6	22
905.338010	1*	12	34
905.338015	1.5*	18	40
905.338020	2*	24	49
905.338025	2.5*	30	57
905.338030	3	33	61
905.338032	3.2	36	65
905.338035	3.5	39	70
905.338040	4	43	75
905.338042	4.2	43	75
905.338045	4.5	47	80
905.338050	5	52	86
905.338052	5.2	52	86
905.338055	5.5	57	93
905.338060	6	57	93
905.338062	6.2	63	101
905.338065	6.5	68	109
905.338070	7	69	109
905.338075	7.5	75	117
905.338080	8	75	117
905.338085	8.5	81	125
905.338090	9	81	125
905.338095	9.5	87	133
905.338100	10	87	133
905.338105	10.5	94	142
905.338110	11	94	142
905.338115	11.5	101	151
905.338120	12	101	151
905.338125	12.5	101	151
905.338130	13	101	151