CENTER DRILL
0.00 - 500.00 THB
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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 (ดอกเจาะนำศูนย์)

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

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