SKU / Product Info	Quantity
MB50032 1-1/4" (32mm)
MB50033 1-9/32" (33mm)
MB50034 1-5/16" (34mm)
MB50035 1-3/8" (35mm)
MB50036 1-13/32" (36mm)
MB50037 1-7/16" (37mm)
MB50038 1-1/2" (38mm)
MB50039 1-17/32" (39mm)
MB50040 1-9/16" (40mm)
MB50041 1-39/64" (41mm)

Quick Overview

Even used with small machines of under 3HP, MB500 is capable of boring holes of up to 80mm (3-1/8") diameter through steel plates of up to 50mm (2") thickness. MB350, on the other hand, is capable of boring holes of up to 35mm (1-3/8") diameter through steel plates of up to 35mm (1-3/8") thickness.
The center pin ensures easy and accurate hole starting and smooth removal of dust.
Circumferential cutting performed by the tools, in which machining area is very small, ensures large-diameter cutting with low power machines.
For cutting holes in steel, shape steel, stainless steel, and cast iron of up to 35mm (1-3/8") (MB350) or 50mm (2") (MB500) thickness.
Best for boring operation in shipbuilding, bridge building, framework building, and steel structure building.

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Details

SPECIFICATIONS

	Cutter size:	MB500: ø18mm to 80mm (ø45/64" to 3-1/8") (Max. drilling depth: 50mm (2")) MB350: ø14mm to 35mm (ø35/64" to 1-3/8") (Max. drilling depth: 35mm (1-3/8"))
	Number of tips:	Cutters of ø14mm to 39mm (ø35/64" to 1-17/32") --- 6pcs. Cutters of ø40mm to 64mm (ø1-9/16" to 2-33/64") --- 8pcs. Cutters of ø65mm to 80mm (ø2-9/16" to 3-1/8") --- 10pcs.
	Tip width:	Cutter of ø 14mm (35/64") --- 3.2mm (1/8") Cutter of ø 14.5mm (9/16") --- 3.4mm (9/64") Cutter of ø 15mm (19/32") --- 3.7mm (9/64") Cutters of ø16mm to 80mm (ø5/8" to 3-1/8") --- 3.9mm (5/32")
	Applicable electric drill:	Magnetic drill presses, upright drilling machines, radial drilling machines, lathes, and milling machines.

Size	A	B
MB350 14mm to 25mm (35/64" to 1")	67mm (2-5/8")	13mm (33/64")
MB350 25.5mm (1") to 35mm (1-3/8")	63mm (2-15/32")	17mm (21/32")
MB500 18mm to 25mm (45/64" to 1")	82mm (3-15/64")
MB500 25.5mm (1") or larger	78mm (3-1/16")