Professional 5mm 12mm Drill Bits / Solid Carbide Drill Bits For Hardened Steel YEYI-CDB manufacturer from China Hangzhou Yeyi Metals & Tools Co.,Ltd

Professional 5mm 12mm Drill Bits / Solid Carbide Drill Bits For Hardened Steel

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: YEYI-CDB

12mm Ladder HSS drills With Two Drill Pars / Carbide Drill Bits For Furniture Industry

12mm Ladder HSS drills With Two Drill Pars / Carbide Drill Bits For Furniture Industry

Ladder drill is consist of two drill parts in different diameters. The independent flutes and edges could ensure the precise size and concentricity. The materials could be changed according to the different materials processing.

Ladder HSS drills

Code.	D1	D2	L	L1	L2	φ	Fit with the thread arbor
XY10025070	2.5	3.4	70	39	8.8	90°	M3
XY10033080	3.3	4.5	80	47	11.4	90°	M4
XY10042093	4.2	5.5	93	57	13.6	90°	M5
XY10050101	5	6.6	101	63	16.5	90°	M6
XY10068125	6.8	9	125	81	21	90°	M8
XY10085142	8.5	11	142	94	25.5	90°	M10
XY10102160	10.2	13.5	160	108	30	90°	M12
XY10012178	12	15.5	178	120	34.5	90°	M14

Code.	D1	D2	L	L1	L2	φ	Fit with the thread arbor
XY10068162	6.8	9	162	81	21	90°	1#
XY10085175	8.5	11	175	94	25.5	90°	1#
XY11102189	10.2	13.5	189	108	30	90°	1#
XY11012218	12	15.5	218	120	34.5	90°	2#
XY11014228	14	17.5	228	130	38.5	90°	2#
XY11155238	15.5	20	238	140	43.5	90°	2#
XY11175248	17.5	22	248	150	47.5	90°	2#
XY11195281	19.5	24	281	160	51.5	90°	3#
XY11021286	21	26	286	165	56.6	90°	3#
XY11024296	24	30	296	175	62.5	90°	3#
XY11365334	26.5	33	334	185	70	90°	4#