- Category : 1.Turning / drilling / tapping / milling -Center drill
- Brand : CHUOKU
- Product Code : -
CENTER DRILL
is a hole punched workpiece for inserting the center However, it can also be used for milling depending on the nature of the workpiece. The center drill is a pilot drill to perform a step-by-step work on the other workpiece. which before drilling the center The workpiece must be secured and strong first so that during drilling or machining there will be no displacement and damage to the work.
Center drill method
Once the drilling position has been determined, turn the hand, turn the center drill bit. To move up - move down vertically. according to the direction of the arrow and adjust the work platform until the tip of the center drill aligns with the marked position before drilling can be performed. After drilling at a certain depth Retract the drill bit and turn on the coolant to help cool the heat. and expel scrap metal Continue to feed the bore until the gap from cylindrical to tapered hole and check the bore depth. until the depth of drilling has been taken before Remove the center drill bit. and then assemble the drill bit instead.
CENTER DRILL CHUOKU HSS Co5% 60degree
SIZE 7/16"x3/16"x2-1/2"
CENTER DRILL HSS 60degree
SIZE 2x5x3.5x40MM./ ขนาด 2.5x6.5x4x45MM.
SIZE 3x5x8x5x50MM. / ขนาด 4x10x6x56MM.
SIZE 5x13x8x65MM. / ขนาด 6x16x9.5x75MM.
CENTER DRILL HSS Co5% 55degree
SIZE 3/16"x1/16"x1-3/4" / ขนาด 7/64"x1/4"x1-2"
SIZE 5/16"x1/8"x2-1/4" / ขนาด 7/16"x3/16"x2-1/2"
SIZE 1/2"x7/32"x7/32"x3" / ขนาด 5/8"x1/4"x3-1/4"
SIZE 3/4"x5/16"x3-1/2"
CENTER DRILL HSS Co5% 60degree BISCHUFOUR
SIZE 1x3.15x1.9x31.5 mm./ 1.5x4x2.8x35.5 mm.
SIZE 2x5x3.3x40 mm. / 2.5x6.3x4.1x45 mm.
SIZE 3x8x5x50 mm. / 4x10x6x56 mm.
SIZE 5x13x8x65 mm. / 6x16x9.5x75 mm.
Inquire for price of CENTER DRILL
Tell 02-744-3871-5 ต่อ102-105 FAX 02-748-5058
ID LINE : @BOWMAP Website : http://www.bowmap.com/th